code: def run(self):
      self.repo.plots.modify(
          self.args.target, props=self._props(), unset=self.args.unset
      )
      return 0
  
imports: import argparse
  import os
  from typing import TYPE_CHECKING, Dict, List, Optional
  from funcy import compact, first, get_in
  from dvc.cli import completion, formatter
  from dvc.cli.command import CmdBase
  from dvc.cli.utils import append_doc_link
  from dvc.exceptions import DvcException
  from dvc.log import logger
  from dvc.ui import ui
  from dvc.utils import format_link
label_desc: Use image node_id 1 for calling the CmdPlotsModify obj's underlying member method code with example usage: obj.run() and returns: int