mik-laj edited a comment on pull request #9943:
URL: https://github.com/apache/airflow/pull/9943#issuecomment-670591261
@kenjihiraoka Parameter ``conn`` in ``DbApiHook`` is set to a default value
when it really should always be passed. The following change should fix this
problem.
```diff
--- a/airflow/hooks/dbapi_hook.py
+++ b/airflow/hooks/dbapi_hook.py
@@ -307,7 +307,7 @@ class DbApiHook(BaseHook):
self.log.info("Done loading. Loaded a total of %s rows", i)
@staticmethod
- def _serialize_cell(cell: Any, conn: Any = None) -> Any: # pylint:
disable=unused-argument
+ def _serialize_cell(cell, conn): # pylint: disable=unused-argument
"""
Returns the SQL literal of the cell as a string.
```
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