[GitHub] klaaskooistra commented on issue #4615: 'NoneType' object has no attribute 'fillna' with daylight savings error in time-series visualizations.

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

klaaskooistra commented on issue #4615: 'NoneType' object has no attribute 'fillna' with daylight savings error in time-series visualizations. 
URL: https://github.com/apache/incubator-superset/issues/4615#issuecomment-383484139
 
 
   Thanks, not sure if it is fixed in .25rc1, however after upgrading to 0.24 a new error arises. 
   
   Tz-aware datetime.datetime cannot be converted to datetime64 unless utc=True
   
   Stacktrace:
   
   ```
   Traceback (most recent call last):
     File "/var/superset/local/lib/python2.7/site-packages/superset/viz.py", line 329, in get_df_payload
       df = self.get_df(query_obj)
     File "/var/superset/local/lib/python2.7/site-packages/superset/viz.py", line 161, in get_df
       df[DTTM_ALIAS], utc=False, format=timestamp_format)
     File "/var/superset/local/lib/python2.7/site-packages/pandas/core/tools/datetimes.py", line 373, in to_datetime
       values = _convert_listlike(arg._values, True, format)
     File "/var/superset/local/lib/python2.7/site-packages/pandas/core/tools/datetimes.py", line 306, in _convert_listlike
       raise e
   ValueError: Tz-aware datetime.datetime cannot be converted to datetime64 unless utc=True
   ```
   

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