[GitHub] [incubator-superset] dpgaspar commented on a change in pull request #10774: fix: pivot table timestamp grouping

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

dpgaspar commented on a change in pull request #10774:
URL: https://github.com/apache/incubator-superset/pull/10774#discussion_r482978425



##########
File path: superset/viz.py
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@@ -856,6 +856,30 @@ def get_aggfunc(
         # only min and max work properly for non-numerics
         return aggfunc if aggfunc in ("min", "max") else "max"
 
+    @staticmethod
+    def _format_datetime(value: Any) -> Any:

Review comment:
       nit: `def _format_datetime(value: Union[pd.Timestamp, datetime, date, str]) -> Union[pd.Timestamp, datetime, date, str]:`




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