[jira] [Updated] (ARROW-8557) [Python] from pyarrow import parquet fails with AttributeError: type object 'pyarrow._parquet.Statistics' has no attribute '__reduce_cython__'

["Wes McKinney (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-8557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-8557:
--------------------------------
    Summary: [Python] from pyarrow import parquet fails with AttributeError: type object 'pyarrow._parquet.Statistics' has no attribute '__reduce_cython__'  (was: from pyarrow import parquet fails with AttributeError: type object 'pyarrow._parquet.Statistics' has no attribute '__reduce_cython__')

> [Python] from pyarrow import parquet fails with AttributeError: type object 'pyarrow._parquet.Statistics' has no attribute '__reduce_cython__'
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-8557
>                 URL: https://issues.apache.org/jira/browse/ARROW-8557
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.15.1, 0.16.0, 0.17.0
>         Environment: Python 3.8.4, GCC 4.8.4, Debian 8
>            Reporter: Hal T
>            Priority: Major
>
> I have tried versions 0.15.1, 0.16.0, 0.17.0. Same error on all. I've seen in other issues that co-installations of tensorflow and numpy might be causing issues. I have tensorflow==1.14.0 and numpy==1.16.4 (and many other libraries, but I've read that those tend to cause issues)
>  
> {{}}
>  
> {code:java}
> from pyarrow import parquet
>  
> ~/python/lib/python3.6/site-packages/pyarrow/parquet.py in <module>
>  32 import pyarrow as pa
>  33 import pyarrow.lib as lib
> ---> 34 import pyarrow._parquet as _parquet
>  35 
>  36 from pyarrow._parquet import (ParquetReader, Statistics, # noqa
> ~/python/lib/python3.6/site-packages/pyarrow/_parquet.pyx in init pyarrow._parquet()
>  
> AttributeError: type object 'pyarrow._parquet.Statistics' has no attribute '__reduce_cython__'
> {code}
> {{}}



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