fix: add back python 2.7 for gcloud usage only (#892)
* fix: add back python 2.7 for gcloud
* fix: fix setup and tests
* fix: add enum34 for python 2.7
* fix: add app engine app and fix noxfile
* fix: move test_app_engine.py
* fix: fix downscoped
* fix: fix downscoped
* fix: remove py2 from classifiers
diff --git a/google/oauth2/reauth.py b/google/oauth2/reauth.py
index 1e496d1..cbf1d7f 100644
--- a/google/oauth2/reauth.py
+++ b/google/oauth2/reauth.py
@@ -34,6 +34,8 @@
import sys
+from six.moves import range
+
from google.auth import exceptions
from google.oauth2 import _client
from google.oauth2 import challenges