rishabhgoyal007 commented on issue #36530:
URL: https://github.com/apache/superset/issues/36530#issuecomment-3780713994

   I was able to reproduce this on 6.0.0rc4. The Histogram warning is caused by 
assigning to a pandas DataFrame that may be a slice during post-processing 
(specifically the pd.to_numeric call), which triggers SettingWithCopyWarning.
   
   Creating an explicit copy of the DataFrame before assignment (for example 
via dropna(...).copy()) removes the warning without affecting the rendered 
chart.
   
   This appears to be addressed in newer branches, so upgrading or backporting 
the fix resolves the issue.


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