[jira] [Created] (ARROW-4269) [Python] AttributeError: module 'pandas.core' has no attribute 'arrays'

["Philipp Moritz (JIRA)" <ji...@apache.org>]

Philipp Moritz created ARROW-4269:
-------------------------------------

             Summary: [Python] AttributeError: module 'pandas.core' has no attribute 'arrays'
                 Key: ARROW-4269
                 URL: https://issues.apache.org/jira/browse/ARROW-4269
             Project: Apache Arrow
          Issue Type: Improvement
            Reporter: Philipp Moritz


This happens with pandas 0.22:

```

In [1]: import pyarrow
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-1-57968f417579> in <module>()
----> 1 import pyarrow

~/arrow/python/pyarrow/__init__.py in <module>()
 174 localfs = LocalFileSystem.get_instance()
 175 
--> 176 from pyarrow.serialization import (default_serialization_context,
 177 register_default_serialization_handlers,
 178 register_torch_serialization_handlers)

~/arrow/python/pyarrow/serialization.py in <module>()
 303 
 304 
--> 305 register_default_serialization_handlers(_default_serialization_context)

~/arrow/python/pyarrow/serialization.py in register_default_serialization_handlers(serialization_context)
 294 custom_deserializer=_deserialize_pyarrow_table)
 295 
--> 296 _register_custom_pandas_handlers(serialization_context)
 297 
 298

~/arrow/python/pyarrow/serialization.py in _register_custom_pandas_handlers(context)
 175 custom_deserializer=_load_pickle_from_buffer)
 176 
--> 177 if hasattr(pd.core.arrays, 'interval'):
 178 context.register_type(
 179 pd.core.arrays.interval.IntervalArray,

AttributeError: module 'pandas.core' has no attribute 'arrays'

```



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