Accepting request 933309 from home:tinita:branches:devel:languages:python

- Add patch setuptools.patch
- update to 6.0
  * drop Python 2.7
  * always require `Loader` arg to `yaml.load()`
  * fix float resolver to ignore `.` and `._`
  * fix representation of Enum subclasses
  * fix libyaml extension compiler warnings
  * fix ResourceWarning on leaked file descriptors
  * remove remaining direct distutils usage

OBS-URL: https://build.opensuse.org/request/show/933309
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-PyYAML?expand=0&rev=44

setuptools.patch

@@ -0,0 +1,11 @@
+--- PyYAML-6.0/setup.py	2021-10-13 21:13:52.000000000 +0200
++++ PyYAML-6.0/setup.py.new	2021-11-03 14:36:40.093725379 +0100
+@@ -67,7 +67,7 @@
+ import sys, os, os.path, pathlib, platform, shutil, tempfile, warnings
+ 
+ # for newer setuptools, enable the embedded distutils before importing setuptools/distutils to avoid warnings
+-os.environ['SETUPTOOLS_USE_DISTUTILS'] = 'local'
++#os.environ['SETUPTOOLS_USE_DISTUTILS'] = 'local'
+ 
+ from setuptools import setup, Command, Distribution as _Distribution, Extension as _Extension
+ from setuptools.command.build_ext import build_ext as _build_ext