Move all logic related to score reasons until after we've checked if we have

reasons (mixed_unicode.py)

modules/mixed_unicode.py

@@ -77,11 +77,11 @@ class Module(ModuleManager.BaseModule):
             reasons.extend([ScoreReason.AdditionalScript]*(len(scripts)-1))
 
         score = len(reasons)
+        if score > 0:
             reasons_s = []
             for reason, count in collections.Counter(reasons).items():
                 reasons_s.append("%s: %s" % (reason, count))
 
-        if score > 0:
             self.log.trace(
                 "Message given a mixed-unicode score of %s (reasons: %s)",
                 [score, ", ".join(reasons_s)])