a couple of cleanups suggested by ieure in code review

Author: zookos

oauth2/__init__.py

@@ -289,8 +289,7 @@ class Request(dict):
 
     def __init__(self, method=HTTP_METHOD, url=None, parameters=None):
         if url is not None:
-            url = to_unicode(url)
-            self.url = unicode(url)
+            self.url = to_unicode(url)
         self.method = method
         if parameters is not None:
             self.update(parameters)

tests/test_oauth.py

@@ -249,8 +249,6 @@ def test_from_string(self):
         self._compare_tokens(new)
 
 class TestRequest(unittest.TestCase):
-    # def test_split(self):
-        # r = 253G
     def test_setter(self):
         url = "http://example.com"
         method = "GET"