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# ext/asyncio/exc.py
# Copyright (C) 2020-2021 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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