Fixed typo in patch_logger() docstring.
@@ -663,7 +663,7 @@ def patch_logger(logger_name, log_level, log_kwargs=False):
Context manager that takes a named logger and the logging level
and provides a simple mock-like list of messages received.
- Use unitttest.assertLogs() if you only need Python 3 support. This
+ Use unittest.assertLogs() if you only need Python 3 support. This
private API will be removed after Python 2 EOL in 2020 (#27753).
"""
calls = []
