Matthew Schinckel committed 1913215

Don't a value as changed if they are both None or empty.

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Files changed (1)


         We need to make sure the objects are of the canonical form, as a
         string comparison may needlessly fail.
+        if initial in ["", None] and data in ["", None]:
+            return False
         if not isinstance(initial, datetime.timedelta):
             initial = parse(initial)
         if not isinstance(data, datetime.timedelta):