[Python] Support list-of-boolean in Array.to_pandas conversion

[asfimport]

See

In [4]: paste                                                                                                                                                                                  
a = pa.array(np.array([[True, False], [True, True, True]]))

## -- End pasted text --

In [5]: a                                                                                                                                                                                      
Out[5]: 
<pyarrow.lib.ListArray object at 0x7fc187d3fa40>
[
  [
    true,
    false
  ],
  [
    true,
    true,
    true
  ]
]

In [6]: a.to_pandas()                                                                                                                                                                          
---------------------------------------------------------------------------
ArrowNotImplementedError                  Traceback (most recent call last)
<ipython-input-6-08d835d60bd1> in <module>
----> 1 a.to_pandas()

~/code/arrow/python/pyarrow/array.pxi in pyarrow.lib._PandasConvertible.to_pandas()
    439             deduplicate_objects=deduplicate_objects)
    440 
--> 441         return self._to_pandas(options, categories=categories,
    442                                ignore_metadata=ignore_metadata)
    443 

~/code/arrow/python/pyarrow/array.pxi in pyarrow.lib.Array._to_pandas()
    815 
    816         with nogil:
--> 817             check_status(ConvertArrayToPandas(c_options, self.sp_array,
    818                                               self, &out))
    819         return wrap_array_output(out)

~/code/arrow/python/pyarrow/error.pxi in pyarrow.lib.check_status()
     84             raise ArrowKeyError(message)
     85         elif status.IsNotImplemented():
---> 86             raise ArrowNotImplementedError(message)
     87         elif status.IsTypeError():
     88             raise ArrowTypeError(message)

ArrowNotImplementedError: Not implemented type for lists: bool
In ../src/arrow/python/arrow_to_pandas.cc, line 1910, code: VisitTypeInline(*data_->type(), this)

as reported in #5203

Reporter: Wes McKinney / @wesm
Assignee: Wes McKinney / @wesm

PRs and other links:

• GitHub Pull Request #5301

_{Note: This issue was originally created as ARROW-6369. Please see the migration documentation for further details.}

[asfimport]

Krisztian Szucs / @kszucs:
Issue resolved by pull request 5301
#5301