ashb commented on a change in pull request #4685: [AIRFLOW-3862] Check types
with mypy.
URL: https://github.com/apache/airflow/pull/4685#discussion_r262954679
##########
File path: airflow/contrib/operators/adls_list_operator.py
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@@ -46,7 +48,7 @@ class AzureDataLakeStorageListOperator(BaseOperator):
azure_data_lake_conn_id='azure_data_lake_default'
)
"""
- template_fields = ('path',)
+ template_fields = ('path',) # type: Sequence[str]
Review comment:
Whaaaaat. That strikes me as a bug in mypy - since there is no type
annotation on B.a it should keep the one from A. Oh well.
Thanks for the explanation.
Still, let's change for `Iterable[Str]` where we do have to have an
annotation (over `Sequence`) - I reported/asked about this in
https://github.com/python/mypy/issues/6511
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