@Override
  protected Collection<? extends PyElement> getElementsToStoreReferences(@NotNull final Collection<PyTargetExpression> elements) {
    // We need to save references from assignments
    return Collections2.transform(elements, ASSIGNMENT_TRANSFORM);
  }
@Override
  protected Collection<? extends PyElement> getElementsToStoreReferences(@NotNull final Collection<PyTargetExpression> elements)