Fix lint for latest pylint (#155)

Author: Jon Wayne Parrott

google/auth/transport/requests.py

@@ -158,6 +158,10 @@ def __init__(self, credentials,
 
     def request(self, method, url, data=None, headers=None, **kwargs):
         """Implementation of Requests' request."""
+        # pylint: disable=arguments-differ
+        # Requests has a ton of arguments to request, but only two
+        # (method, url) are required. We pass through all of the other
+        # arguments to super, so no need to exhaustively list them here.
 
         # Use a kwarg for this instead of an attribute to maintain
         # thread-safety.

tests/transport/test_requests.py

@@ -55,6 +55,9 @@ def __init__(self, responses, headers=None):
         self.headers = headers or {}
 
     def send(self, request, **kwargs):
+        # pylint: disable=arguments-differ
+        # request is the only required argument here and the only argument
+        # we care about.
         self.requests.append(request)
         return self.responses.pop(0)