turbaszek commented on pull request #12951:
URL: https://github.com/apache/airflow/pull/12951#issuecomment-759261955
There's an error which seems to be present in multiple builds, so I think we
should take a look at that:
```
tests/core/test_configuration.py:518:
915
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _
916
917
self = <tests.test_utils.reset_warning_registry.reset_warning_registry
object at 0x7f0b78239f50>
918
919
def __enter__(self):
920
# archive and clear the __warningregistry__ key for all modules
921
# that match the 'reset' pattern.
922
pattern = self._pattern
923
backup = self._backup = {}
924
for name, mod in list(sys.modules.items()):
925
if pattern.match(name):
926
reg = getattr(mod, "__warningregistry__", None)
927
if reg:
928
> backup[name] = reg.copy()
929
E AttributeError: 'str' object has no attribute 'copy'
```
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