Bug fix for #417

Author: chinyeungli

tests/test_transform.py

@@ -54,7 +54,7 @@ def test_transform_data_json(self):
         data, err = transform_json(json_data, transformer)
         keys = []
         for item in data:
-            keys = item.keys()
+            keys = list(item.keys())
         expect = [u'about_resource', u'name', u'version']
         assert keys == expect
 
@@ -66,6 +66,6 @@ def test_transform_data_json_as_array(self):
         data, err = transform_json(json_data, transformer)
         keys = []
         for item in data:
-            keys = item.keys()
+            keys = list(item.keys())
         expect = [u'about_resource', u'name', u'version']
         assert keys == expect