diff --git a/moto/dynamodb2/models.py b/moto/dynamodb2/models.py
index c4aa1023..db6bf04a 100644
--- a/moto/dynamodb2/models.py
+++ b/moto/dynamodb2/models.py
@@ -706,7 +706,9 @@ class DynamoDBBackend(BaseBackend):
 
                 gsis_by_name[gsi_to_create['IndexName']] = gsi_to_create
 
-        table.global_indexes = gsis_by_name.values()
+        # in python 3.6, dict.values() returns a dict_values object, but we expect it to be a list in other
+        # parts of the codebase
+        table.global_indexes = list(gsis_by_name.values())
         return table
 
     def put_item(self, table_name, item_attrs, expected=None, overwrite=False):