Corrected produced Disqus identifier in DisqusWrapper.

Covers the case of commenting examples in staging.

Author: freskoulix

codebender_testing/disqus.py

@@ -111,7 +111,7 @@ def handle_library_comment(self, library, current_date, log):
         return log
 
     def handle_example_comment(self, url, results, current_date, log):
-        identifier = url.replace('https://codebender.cc', '')
+        identifier = re.sub(r'https*://.*codebender.cc', '', url)
         identifier = 'ident:' + identifier
         try:
             log[url]['comment'] = False