[dataformats][tests][core] Fix key search in dictionary

beat/web/dataformats/tests/core.py

@@ -260,7 +260,7 @@ class DataFormatSharingAPIBase(DataFormatsAPIBase):
         self.assertEqual(len(sharing_preferences.keys()), len(reference.keys()))
 
         for (key, value) in reference.items():
-            self.assertTrue(sharing_preferences.has_key(key))
+            self.assertTrue(key in sharing_preferences)
 
             if isinstance(value, list):
                 self.assertEqual(len(sharing_preferences[key]), len(value))