Mutual_Fund/logs/error.log

2026-09-08 17:26:52,160 ERROR   [-] api: unhandled error on /api/auth/login
Traceback (most recent call last):
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\errors.py", line 164, in __call__
    await self.app(scope, receive, _send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 193, in __call__
    response = await self.dispatch_func(request, call_next)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\utils\request_id.py", line 28, in dispatch
    response: Response = await call_next(request)
                         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 168, in call_next
    raise app_exc from app_exc.__cause__ or app_exc.__context__
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 144, in coro
    await self.app(scope, receive_or_disconnect, send_no_error)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\exceptions.py", line 63, in __call__
    await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\middleware\asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\routing.py", line 670, in __call__
    await self.middleware_stack(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2734, in app
    await route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1780, in handle
    await self.original_router.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2789, in handle
    await included_router._handle_selected(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1791, in _handle_selected
    await route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1780, in handle
    await self.original_router.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2789, in handle
    await included_router._handle_selected(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1800, in _handle_selected
    await original_route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1279, in handle
    await app(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 158, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 144, in app
    response = await f(request)
               ^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 481, in app
    solved_result = await solve_dependencies(
                    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\dependencies\utils.py", line 668, in solve_dependencies
    solved = await _solve_generator(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\dependencies\utils.py", line 574, in _solve_generator
    return await stack.enter_async_context(cm)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\contextlib.py", line 647, in enter_async_context
    result = await _enter(cm)
             ^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\contextlib.py", line 204, in __aenter__
    return await anext(self.gen)
           ^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\config\deps.py", line 7, in get_db
    async with mysql.get_session_factory() as session:
TypeError: 'async_sessionmaker' object does not support the asynchronous context manager protocol
2026-09-08 17:26:52,230 ERROR   [-] sqlalchemy.pool.impl.AsyncAdaptedQueuePool: Exception closing connection <AdaptedConnection <aiomysql.connection.Connection object at 0x00000125D3027140>>
Traceback (most recent call last):
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 375, in _close_connection
    self._dialect.do_close(connection)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\default.py", line 721, in do_close
    dbapi_connection.close()
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\aiomysql.py", line 114, in close
    self.await_(self._connection.ensure_closed())
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 132, in await_only
    return current.parent.switch(awaitable)  # type: ignore[no-any-return,attr-defined] # noqa: E501
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 196, in greenlet_spawn
    value = await result
            ^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 349, in ensure_closed
    self._writer.write(send_data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\streams.py", line 331, in write
    self._transport.write(data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 366, in write
    self._loop_writing(data=bytes(data))
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 402, in _loop_writing
    self._write_fut = self._loop._proactor.send(self._sock, data)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'send'
2026-09-08 17:27:10,975 ERROR   [7920a7ecec5e4f8b] sqlalchemy.pool.impl.AsyncAdaptedQueuePool: Exception terminating connection <AdaptedConnection <aiomysql.connection.Connection object at 0x00000200B4996BA0>>
Traceback (most recent call last):
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 373, in _close_connection
    self._dialect.do_terminate(connection)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\aiomysql.py", line 242, in do_terminate
    dbapi_connection.terminate()
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\connectors\asyncio.py", line 402, in terminate
    self.await_(asyncio.shield(self._terminate_graceful_close()))  # type: ignore[attr-defined] # noqa: E501
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 132, in await_only
    return current.parent.switch(awaitable)  # type: ignore[no-any-return,attr-defined] # noqa: E501
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 196, in greenlet_spawn
    value = await result
            ^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\aiomysql.py", line 117, in _terminate_graceful_close
    await self._connection.ensure_closed()
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 349, in ensure_closed
    self._writer.write(send_data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\streams.py", line 331, in write
    self._transport.write(data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 366, in write
    self._loop_writing(data=bytes(data))
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 402, in _loop_writing
    self._write_fut = self._loop._proactor.send(self._sock, data)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'send'
2026-09-08 17:27:11,025 ERROR   [-] api: unhandled error on /api/auth/login
Traceback (most recent call last):
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\errors.py", line 164, in __call__
    await self.app(scope, receive, _send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 193, in __call__
    response = await self.dispatch_func(request, call_next)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\utils\request_id.py", line 28, in dispatch
    response: Response = await call_next(request)
                         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 168, in call_next
    raise app_exc from app_exc.__cause__ or app_exc.__context__
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 144, in coro
    await self.app(scope, receive_or_disconnect, send_no_error)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\exceptions.py", line 63, in __call__
    await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\middleware\asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\routing.py", line 670, in __call__
    await self.middleware_stack(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2734, in app
    await route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1780, in handle
    await self.original_router.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2789, in handle
    await included_router._handle_selected(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1791, in _handle_selected
    await route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1780, in handle
    await self.original_router.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2789, in handle
    await included_router._handle_selected(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1800, in _handle_selected
    await original_route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1279, in handle
    await app(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 158, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 144, in app
    response = await f(request)
               ^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 706, in app
    raw_response = await run_endpoint_function(
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 352, in run_endpoint_function
    return await dependant.call(**values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\api\routers\auth.py", line 35, in login
    user = await SysUserRepo(db).get_by_username(body.username)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\repositories\sys_user.py", line 14, in get_by_username
    return await self.db.scalar(select(SysUser).where(SysUser.username == username))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\ext\asyncio\session.py", line 504, in scalar
    return await greenlet_spawn(
           ^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 201, in greenlet_spawn
    result = context.throw(*sys.exc_info())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 2421, in scalar
    return self._execute_internal(
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 2261, in _execute_internal
    conn = self._connection_for_bind(bind)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 2113, in _connection_for_bind
    return trans._connection_for_bind(engine, execution_options)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<string>", line 2, in _connection_for_bind
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\state_changes.py", line 137, in _go
    ret_value = fn(self, *arg, **kw)
                ^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 1191, in _connection_for_bind
    conn = bind.connect()
           ^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\base.py", line 3295, in connect
    return self._connection_cls(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\base.py", line 144, in __init__
    self._dbapi_connection = engine.raw_connection()
                             ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\base.py", line 3319, in raw_connection
    return self.pool.connect()
           ^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 448, in connect
    return _ConnectionFairy._checkout(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 1371, in _checkout
    with util.safe_reraise():
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\langhelpers.py", line 122, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 1309, in _checkout
    result = pool._dialect._do_ping_w_event(
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\default.py", line 729, in _do_ping_w_event
    return self.do_ping(dbapi_connection)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\pymysql.py", line 144, in do_ping
    dbapi_connection.ping()
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\aiomysql.py", line 100, in ping
    self.await_(self._connection.ping(reconnect=False))
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 132, in await_only
    return current.parent.switch(awaitable)  # type: ignore[no-any-return,attr-defined] # noqa: E501
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 196, in greenlet_spawn
    value = await result
            ^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 493, in ping
    await self._execute_command(COMMAND.COM_PING, "")
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 724, in _execute_command
    self._write_bytes(prelude + sql[:chunk_size - 1])
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 669, in _write_bytes
    return self._writer.write(data)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\streams.py", line 331, in write
    self._transport.write(data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 366, in write
    self._loop_writing(data=bytes(data))
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 402, in _loop_writing
    self._write_fut = self._loop._proactor.send(self._sock, data)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'send'
2026-09-08 17:27:39,262 ERROR   [c744544f6e564c1a] sqlalchemy.pool.impl.AsyncAdaptedQueuePool: Exception terminating connection <AdaptedConnection <aiomysql.connection.Connection object at 0x000002271D806F00>>
Traceback (most recent call last):
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 373, in _close_connection
    self._dialect.do_terminate(connection)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\aiomysql.py", line 242, in do_terminate
    dbapi_connection.terminate()
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\connectors\asyncio.py", line 402, in terminate
    self.await_(asyncio.shield(self._terminate_graceful_close()))  # type: ignore[attr-defined] # noqa: E501
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 132, in await_only
    return current.parent.switch(awaitable)  # type: ignore[no-any-return,attr-defined] # noqa: E501
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 196, in greenlet_spawn
    value = await result
            ^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\aiomysql.py", line 117, in _terminate_graceful_close
    await self._connection.ensure_closed()
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 349, in ensure_closed
    self._writer.write(send_data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\streams.py", line 331, in write
    self._transport.write(data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 366, in write
    self._loop_writing(data=bytes(data))
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 402, in _loop_writing
    self._write_fut = self._loop._proactor.send(self._sock, data)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'send'
2026-09-08 17:27:39,266 ERROR   [-] api: unhandled error on /api/auth/login
Traceback (most recent call last):
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\errors.py", line 164, in __call__
    await self.app(scope, receive, _send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 193, in __call__
    response = await self.dispatch_func(request, call_next)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\utils\request_id.py", line 28, in dispatch
    response: Response = await call_next(request)
                         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 168, in call_next
    raise app_exc from app_exc.__cause__ or app_exc.__context__
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\base.py", line 144, in coro
    await self.app(scope, receive_or_disconnect, send_no_error)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\middleware\exceptions.py", line 63, in __call__
    await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\middleware\asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\routing.py", line 670, in __call__
    await self.middleware_stack(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2734, in app
    await route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1780, in handle
    await self.original_router.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2789, in handle
    await included_router._handle_selected(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1791, in _handle_selected
    await route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1780, in handle
    await self.original_router.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 2789, in handle
    await included_router._handle_selected(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1800, in _handle_selected
    await original_route.handle(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 1279, in handle
    await app(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 158, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\starlette\_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 144, in app
    response = await f(request)
               ^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 706, in app
    raw_response = await run_endpoint_function(
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\fastapi\routing.py", line 352, in run_endpoint_function
    return await dependant.call(**values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\api\routers\auth.py", line 35, in login
    user = await SysUserRepo(db).get_by_username(body.username)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\Projects\py\Memory_demo\repositories\sys_user.py", line 14, in get_by_username
    return await self.db.scalar(select(SysUser).where(SysUser.username == username))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\ext\asyncio\session.py", line 504, in scalar
    return await greenlet_spawn(
           ^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 201, in greenlet_spawn
    result = context.throw(*sys.exc_info())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 2421, in scalar
    return self._execute_internal(
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 2261, in _execute_internal
    conn = self._connection_for_bind(bind)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 2113, in _connection_for_bind
    return trans._connection_for_bind(engine, execution_options)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<string>", line 2, in _connection_for_bind
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\state_changes.py", line 137, in _go
    ret_value = fn(self, *arg, **kw)
                ^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\orm\session.py", line 1191, in _connection_for_bind
    conn = bind.connect()
           ^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\base.py", line 3295, in connect
    return self._connection_cls(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\base.py", line 144, in __init__
    self._dbapi_connection = engine.raw_connection()
                             ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\base.py", line 3319, in raw_connection
    return self.pool.connect()
           ^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 448, in connect
    return _ConnectionFairy._checkout(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 1371, in _checkout
    with util.safe_reraise():
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\langhelpers.py", line 122, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\pool\base.py", line 1309, in _checkout
    result = pool._dialect._do_ping_w_event(
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\engine\default.py", line 729, in _do_ping_w_event
    return self.do_ping(dbapi_connection)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\pymysql.py", line 144, in do_ping
    dbapi_connection.ping()
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\dialects\mysql\aiomysql.py", line 100, in ping
    self.await_(self._connection.ping(reconnect=False))
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 132, in await_only
    return current.parent.switch(awaitable)  # type: ignore[no-any-return,attr-defined] # noqa: E501
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\sqlalchemy\util\_concurrency_py3k.py", line 196, in greenlet_spawn
    value = await result
            ^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 493, in ping
    await self._execute_command(COMMAND.COM_PING, "")
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 724, in _execute_command
    self._write_bytes(prelude + sql[:chunk_size - 1])
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\site-packages\aiomysql\connection.py", line 669, in _write_bytes
    return self._writer.write(data)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\streams.py", line 331, in write
    self._transport.write(data)
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 366, in write
    self._loop_writing(data=bytes(data))
  File "C:\Users\24434\AppData\Local\Programs\Python\Python312\Lib\asyncio\proactor_events.py", line 402, in _loop_writing
    self._write_fut = self._loop._proactor.send(self._sock, data)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'send'