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- # ext/asyncio/exc.py
- # Copyright (C) 2020-2022 the SQLAlchemy authors and contributors
- # <see AUTHORS file>
- #
- # This module is part of SQLAlchemy and is released under
- # the MIT License: https://www.opensource.org/licenses/mit-license.php
- from ... import exc
- class AsyncMethodRequired(exc.InvalidRequestError):
- """an API can't be used because its result would not be
- compatible with async"""
- class AsyncContextNotStarted(exc.InvalidRequestError):
- """a startable context manager has not been started."""
- class AsyncContextAlreadyStarted(exc.InvalidRequestError):
- """a startable context manager is already started."""
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