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  1. Apache Arrow
  2. ARROW-1751

[Python] Pandas 0.21.0 introduces a breaking API change for MultiIndex construction

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      Pandas 0.21.0:

      In [10]: pd.__version__
      Out[10]: '0.21.0'
      
      In [11]: pd.MultiIndex.from_tuples([('a',), ('b',)])
      Out[11]:
      MultiIndex(levels=[['a', 'b']],
                 labels=[[0, 1]])
      

      Pandas 0.20.3

      In [2]: pd.__version__
      Out[2]: '0.20.3'
      
      In [3]: pd.MultiIndex.from_tuples([('a',), ('b',)])
      Out[3]: Index(['a', 'b'], dtype='object')
      

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              • Assignee:
                cpcloud Phillip Cloud
                Reporter:
                cpcloud Phillip Cloud
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