Shangning Xu created PYLUCENE-44:
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             Summary: 
pkg_resources.extern.kg_resources.extern.packaging.version is Deprecated
                 Key: PYLUCENE-44
                 URL: https://issues.apache.org/jira/browse/PYLUCENE-44
             Project: PyLucene
          Issue Type: Bug
         Environment: * Arch Linux
* Python 3.7.0
* setuptools 40.4.3
* Ant 1.10.5
* Pip 18.0
            Reporter: Shangning Xu


{{pkg_resources.extern.kg_resources.extern.packaging.version}} introduced in 
[PYLUCENE-43|https://issues.apache.org/jira/browse/PYLUCENE-43] to replace 
{{SetupToolsVersion}} is actually deprecated *before* {{SetupToolsVersion}} 
({{SetupToolsVersion}} is removed in setuptools 
[v39.0.0|https://setuptools.readthedocs.io/en/latest/history.html#v39-0-0], 
while {{pkg_resources.extern}} is in 
[v34.0.0|https://setuptools.readthedocs.io/en/latest/history.html#v34-0-0]).

The correct solution is to replace

{code:python}
from pkg_resources.extern.kg_resources.extern.packaging.version import Version
{code}

with

{code:python}
from packaging.version import Version
{code}

in Line 20 of {{setup.py}}. The solution can be found in the release notes of 
[setuptools 
v39.0.0|https://setuptools.readthedocs.io/en/latest/history.html#v39-0-0] and a 
[Github issue|https://github.com/anntzer/pypi2pkgbuild/issues/2].

Maybe this setuptools drama may worth a minor version bump?



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