commit 3fb2a386892a695a0a7be33b499b37a9a75b2439
author Jon Wayne Parrott <jonwayne@google.com> Wed Aug 02 13:04:30 2017 -0700
committer GitHub <noreply@github.com> Wed Aug 02 13:04:30 2017 -0700
tree 440be36ab0dcf187efe6418e3453ddd4c2862e65
parent 67b5d06a04971f7614ec243330b7c123ada99a84

Don't treat httplib2.Credentials as oauth credentials (#425)

googleapiclient/_auth.py

diff --git a/googleapiclient/_auth.py b/googleapiclient/_auth.py
index 05a1d38..92f2796 100644
--- a/googleapiclient/_auth.py
+++ b/googleapiclient/_auth.py
@@ -126,7 +126,8 @@
         return None
     elif hasattr(http.request, 'credentials'):
         return http.request.credentials
-    elif hasattr(http, 'credentials'):
+    elif (hasattr(http, 'credentials')
+          and not isinstance(http.credentials, httplib2.Credentials)):
         return http.credentials
     else:
         return None