tiny fix for unbound local variable

nospam/api.py

@@ -86,6 +86,8 @@ class NoSpam(object):
         # Find all the outgoing links in the comment text, and add
         # them to the comment dictionary under the '_urls' key.
         comment['_urls'] = self._extract_urls(comment)
+        # Compute the 'nice' site name (domain only, no http:// prefix).
+        site = _extract_domain(comment['site'])
         # Test all plugins, then compare the total score against the
         # spam threshold.
         results = []
@@ -102,7 +104,6 @@ class NoSpam(object):
                 comment['train'] = 'spam'
                 self.classify(comment)
             msg = ', '.join([x[1] for x in results if x[0] > 0])
-            site = _extract_domain(comment['site'])
             log.info('spam: site=%s score=%g %s' % (site, tot_score, msg))
             self._incr_counter('spam', site)
             return (True, tot_score, msg)