private boolean isSliceOperand(@NotNull ASTNode child) {
    if (myNode.getPsi() instanceof PyAstSliceExpression sliceExpression) {
      final PyAstExpression operand = sliceExpression.getOperand();
      return operand.getNode() == child;
    }
    return false;
  }
private boolean isSliceOperand(@NotNull ASTNode child)