Fix last failing item in our tests

sigmavirus24 · sigmavirus24 · commit 5d757e36006b · 2015-10-24T14:59:04.000-05:00
If RepoCommit.commit is None we cannot get the message
diff --git a/github3/repos/commit.py b/github3/repos/commit.py
@@ -64,7 +64,7 @@ def _update_attributes(self, commit):
         self._uniq = self.sha
 
         #: The commit message
-        self.message = self.commit.message
+        self.message = getattr(self.commit, 'message', None)
 
     def _repr(self):
         return '<Repository Commit [{0}]>'.format(self.sha[:7])
