message: Store var_scope.name instead of var_scope in embedding variable mapping in brn_tpu_estimator.py.
diff: @@ -420,7 +420,7 @@ def _record_variable_scope_and_name(embedding_var_name,
  else:
  # scope contains var_scope_name.
  captured_scope = variable_scope.get_variable_scope()
  - var_def_dict[embedding_var_name] = (captured_scope,
  + var_def_dict[embedding_var_name] = (captured_scope.name,
  embedding_var_name_in_fc)
  