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python-pyarrow broken for parquet?

From: Phil Beadling
Subject: python-pyarrow broken for parquet?
Date: Wed, 30 Jun 2021 19:35:21 +0100

Hi all,

When trying to use the parquet module in pyarrow - it's not finding the
internal module.  This is true for latest 4.0.1 and also the previous
version (shown below).

This is despite the fact that in the underlying apache-arrow package
parquet support is explicitly turned on as far as I can see:

;; Parquet options

Any ideas how to resolve?


$ guix environment --ad-hoc python python-pyarrow
The following derivation will be built:

building CA certificate bundle...
listing Emacs sub-directories...
building fonts directory...
building directory of Info manuals...
building database for manual pages...
building profile with 2 packages...

$ python3
Python 3.8.2 (default, Jan  1 1970, 00:00:01)
[GCC 7.5.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
*>>> import pyarrow.parquet*
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
line 33, in <module>
    import pyarrow._parquet as _parquet
*ModuleNotFoundError: No module named 'pyarrow._parquet'*

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