[GitHub] [beam] damccorm opened a new issue, #19776: Fedora 30: ImportError: libnsl.so.1 when importing apache_beam in Python 3

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damccorm opened a new issue, #19776:
URL: https://github.com/apache/beam/issues/19776

   `When importing apache_beam in python, it fails because it can't find libnsl.so.1.`
   
   It is fixed by running 'dnf install libnsl'.  This appears to be a dependency of Apache Arrow.
   
    
   
   `output:`
   
   `Singularity tfx:~/tfx_image_example_gen> python`
   `Python 3.6.9 |Anaconda, Inc.| (default, Jul 30 2019, 19:07:31) `
   `[GCC 7.3.0] on linux`
   `Type "help", "copyright", "credits" or "license" for more information.`
   `>>> import apache_beam`
   `/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/__init__.py:84: UserWarning: Some syntactic constructs of Python 3 are not yet fully supported by Apache Beam.`
   ` 'Some syntactic constructs of Python 3 are not yet fully supported by '`
   `Traceback (most recent call last):`
   ` File "<stdin>", line 1, in <module>`
   ` File "/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/__init__.py", line 98, in <module>`
   ` from apache_beam import io`
   ` File "/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/io/__init__.py", line 29, in <module>`
   ` from apache_beam.io.parquetio import *`
   ` File "/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/io/parquetio.py", line 45, in <module>`
   ` import pyarrow as pa`
   ` File "/opt/snps/envs/tfx/lib/python3.6/site-packages/pyarrow/__init__.py", line 49, in <module>`
   ` from pyarrow.lib import cpu_count, set_cpu_count`
   `ImportError: libnsl.so.1: cannot open shared object file: No such file or directory`
   
   Imported from Jira [BEAM-8110](https://issues.apache.org/jira/browse/BEAM-8110). Original Jira may contain additional context.
   Reported by: robert.lugg.


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