private static boolean isAssignedLocalVariable(PsiElement element) {
    if (element instanceof PyTargetExpression && element.getParent() instanceof PyAssignmentStatement stmt &&
        PsiTreeUtil.getParentOfType(element, PyFunction.class) != null) {
      if (stmt.getTargets().length == 1) {
        return true;
      }
    }
    return false;
  }
private static boolean isAssignedLocalVariable(PsiElement element)