replaced pkg_resources.parse_version with packaging.version.Version d…

…ue to deprecation

setup.py

@@ -1,7 +1,7 @@
-from pkg_resources import parse_version
+from packaging.version import Version
 from configparser import ConfigParser
 import setuptools,re,sys
-assert parse_version(setuptools.__version__)>=parse_version('36.2')
+assert Version(setuptools.__version__)>=Version('36.2')
 
 # note: all settings are in settings.ini; edit there, not here
 config = ConfigParser(delimiters=['='])