message: Remove the usage of variable_scope._pure_variable_scope() in keras.
diff: @@ -72,10 +72,9 @@ class _BaseFeaturesLayer(Layer):
  def build(self, _):
  for column in self._feature_columns:
  - with variable_scope._pure_variable_scope( # pylint: disable=protected-access
  - self.name,
  - partitioner=self._partitioner):
  - with variable_scope._pure_variable_scope( # pylint: disable=protected-access
  + with variable_scope.variable_scope(
  + self.name, partitioner=self._partitioner):
  + with variable_scope.variable_scope(
  feature_column_v2._sanitize_column_name_for_variable_scope( # pylint: disable=protected-access
  column.name)):
  column.create_state(self._state_manager)
  