[GitHub] [airflow] subkanthi commented on a change in pull request #20590: Fix mypy errors in amazon aws transfer

[GitBox <gi...@apache.org>]

subkanthi commented on a change in pull request #20590:
URL: https://github.com/apache/airflow/pull/20590#discussion_r776784323



##########
File path: airflow/providers/amazon/aws/transfers/ftp_to_s3.py
##########
@@ -132,12 +132,13 @@ def execute(self, context: 'Context'):
                 if self.ftp_filenames == '*':
                     files = list_dir
                 else:
-                    files = list(filter(lambda file: self.ftp_filenames in file, list_dir))
+                    ftp_filename: str = self.ftp_filenames
+                    files = list(filter(lambda f: ftp_filename in f, list_dir))

Review comment:
       couldnt find a better way to fix this, the line 136 is fine since there is a isinstance(str) check in 125, but mypy still complains.




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