One import is not needed

Angel Luis Blasco · Tinche · commit 4099b6351793 · 2020-06-03T01:58:26.000+02:00
diff --git a/tests/async_fixtures/test_async_fixtures_with_finalizer.py b/tests/async_fixtures/test_async_fixtures_with_finalizer.py
@@ -1,5 +1,4 @@
 import asyncio
-import contextlib
 import functools
 import pytest
 
