Switch rpm to packaging.version

Author: jspricke

bloom/generators/rpm/generator.py

@@ -45,7 +45,7 @@
 import textwrap
 
 from dateutil import tz
-from distutils.version import LooseVersion
+from packaging.version import Version
 from time import strptime
 
 from bloom.generators import BloomGenerator
@@ -300,7 +300,7 @@ def generate_substitutions_from_package(
     # Changelog
     if releaser_history:
         sorted_releaser_history = sorted(releaser_history,
-                                         key=lambda k: LooseVersion(k), reverse=True)
+                                         key=lambda k: Version(k), reverse=True)
         sorted_releaser_history = sorted(sorted_releaser_history,
                                          key=lambda k: strptime(releaser_history.get(k)[0], '%a %b %d %Y'),
                                          reverse=True)