Traceback (most recent call last):


 "<stdin>", line 1, in <module>
ImportError: cannot import name RunEnv

Traceback (most recent call last):


 "/usr/lib/python3.4/site-packages/superset/viz.py", line 258, in get_payload

data = self.get_data(df)


 "/usr/lib/python3.4/site-packages/superset/viz.py", line 1312, in get_data

ndf = df[cols]


 "/usr/lib64/python3.4/site-packages/pandas/core/frame.py", line 1991, in __getitem__

return self._getitem_array(key)


 "/usr/lib64/python3.4/site-packages/pandas/core/frame.py", line 2035, in _getitem_array

indexer = self.ix._convert_to_indexer(key, axis=1)


 "/usr/lib64/python3.4/site-packages/pandas/core/indexing.py", line 1214, in _convert_to_indexer

raise KeyError('%s not in index' % objarr[mask])
KeyError: '[None] not in index'
