turbaszek commented on a change in pull request #14344:
URL: https://github.com/apache/airflow/pull/14344#discussion_r580226658
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File path:
airflow/upgrade/rules/chain_between_dag_and_operator_not_allowed_rule.py
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@@ -17,7 +17,7 @@
from __future__ import absolute_import
import re
-
+import os.path
Review comment:
```suggestion
import os
```
We usually use `import os`
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