@Override
    public void visitPyDictLiteralExpression(@NotNull PyDictLiteralExpression node) {
      if (node.isEmpty()) return;

      final MultiMap<String, PsiElement> keyValueAndKeys = new MultiMap<>();
      for (PyKeyValueExpression element : node.getElements()) {
        final Pair<PsiElement, String> keyAndValue = getDictLiteralKey(element);
        if (keyAndValue != null) {
          keyValueAndKeys.putValue(keyAndValue.second, keyAndValue.first);
        }
      }

      registerProblems(keyValueAndKeys, new PyRemoveDictKeyQuickFix());
    }
@Override
    public void visitPyDictLiteralExpression(@NotNull PyDictLiteralExpression node)