diff --git a/pkgs/development/python-modules/google-auth-oauthlib/default.nix b/pkgs/development/python-modules/google-auth-oauthlib/default.nix
index 54498ba1a85..cf83bd4d0ed 100644
--- a/pkgs/development/python-modules/google-auth-oauthlib/default.nix
+++ b/pkgs/development/python-modules/google-auth-oauthlib/default.nix
@@ -27,8 +27,9 @@ buildPythonPackage rec {
     google_auth requests_oauthlib
   ];
 
+  doCheck = isPy3k;
   checkPhase = ''
-    rm -fr tests/__pycache__/
+    rm -fr tests/__pycache__/ google
     py.test
   '';