Add second guard clause.
@@ -209,7 +209,9 @@ class FrozenRequirement(object):
version = specs[0][1]
ver_match = cls._rev_re.search(version)
date_match = cls._date_re.search(version)
- if ver_match or date_match:
+ if not (ver_match or date_match):
+ return (req, editable, comments)
+
svn_backend = vcs.get_backend('svn')
if svn_backend:
svn_location = svn_backend().get_location(
