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import pytest
import asyncio
import sys
from psycopg.errors import InterfaceError
@pytest.mark.skipif(sys.platform != "win32", reason="windows only test")
def test_windows_error(aconn_cls, dsn):
loop = asyncio.ProactorEventLoop() # type: ignore[attr-defined]
async def go():
with pytest.raises(
InterfaceError,
match="Psycopg cannot use the 'ProactorEventLoop'",
):
await aconn_cls.connect(dsn)
try:
loop.run_until_complete(go())
finally:
loop.run_until_complete(loop.shutdown_asyncgens())
loop.close()
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