Use _instance_or_null in github3.issues.issue

sigmavirus24 · sigmavirus24 · commit dcc467671b09 · 2014-11-26T20:17:15.000-06:00
diff --git a/github3/issues/issue.py b/github3/issues/issue.py
@@ -153,7 +153,7 @@ def comment(self, id_num):
             url = self._build_url('repos', owner, repo, 'issues', 'comments',
                                   str(id_num))
             json = self._json(self._get(url), 200)
-        return IssueComment(json) if json else None
+        return self._instance_or_null(IssueComment, json)
 
     def comments(self, number=-1):
         r"""Iterate over the comments on this issue.
@@ -177,7 +177,7 @@ def create_comment(self, body):
             url = self._build_url('comments', base_url=self._api)
             json = self._json(self._post(url, data={'body': body}),
                               201)
-        return IssueComment(json, self) if json else None
+        return self._instance_or_null(IssueComment, json)
 
     @requires_auth
     def edit(self, title=None, body=None, assignee=None, state=None,
diff --git a/tests/test_issues.py b/tests/test_issues.py
@@ -203,9 +203,6 @@ def test_create_comment(self):
         self.assertRaises(github3.GitHubError, self.i.create_comment, '')
 
         self.login()
-        assert self.i.create_comment(None) is None
-        self.not_called()
-
         assert isinstance(self.i.create_comment('comment body'), IssueComment)
         self.mock_assertions()
 
