@Nullable
  public static PyExceptPart getPyExceptPartByTarget(final PsiElement element){
    final PyExceptPart pyExceptPart = PsiTreeUtil.getParentOfType(element, PyExceptPart.class, false);
    if (pyExceptPart == null){
      return null;
    }
    final PyExpression expr = pyExceptPart.getTarget();
    if (expr != null && PsiTreeUtil.isAncestor(expr, element, false)){
      return pyExceptPart;
    }
    return null;
  }
@Nullable
  public static PyExceptPart getPyExceptPartByTarget(final PsiElement element)