action-parser: fixed filter call

rhodecode/lib/action_parser.py

@@ -244,7 +244,7 b' class ActionParser(object):'
 
     def get_commits(self, commit_ids):
         commits = []
-        if not filter(lambda v: v != '', commit_ids):
+        if not [v for v in commit_ids if v != '']:
             return commits
 
         repo = None