Comment about comparable version in parsing
@@ -16,7 +16,9 @@ def parse_version_failsafe(version_string):
"""
Parse a version in string form and return Version object.
- If there is an error parsing the string, ``None`` is returned.
+ If there is an error parsing the string
+ or the version doesn't have a "comparable" version number,
+ ``None`` is returned.
:param version_string: version as string object (e.g. '3.10.1')
:type version_string: str or unicode
