@NotNull
  @Override
  protected List<PyElement> getMembersCouldBeMoved(@NotNull final PyClass pyClass) {
    return Lists.newArrayList(Collections2.filter(getFieldsByClass(pyClass), SIMPLE_ASSIGNMENTS_ONLY));
  }
@NotNull
  @Override
  protected List<PyElement> getMembersCouldBeMoved(@NotNull final PyClass pyClass)