handle empty comments which are 'False' somehow.

wikiq

@@ -538,7 +538,7 @@ class WikiqParser:
                                              title=page.title,
                                              deleted=rev.deleted.text,
                                              namespace=namespace,
-                                             edit_summary=rev.comment
+                                             edit_summary="" if rev.comment is False else rev.comment 
                                              )
 
                 rev_data = self.matchmake_revision(rev, rev_data)