@Override
  public void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater) {
    final PyReferenceExpression reference = as(element, PyReferenceExpression.class);
    if (reference == null) return;
    PyElementGenerator elementGenerator = PyElementGenerator.getInstance(project);
    PyExpression expression = elementGenerator.createExpressionFromText(LanguageLevel.forElement(reference),
                                                                        myQualifier + "." + reference.getText());
    reference.replace(expression);
  }
@Override
  public void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater)