code: def run(self):
      return self._run(self.repo.unfreeze, "unfreeze")
  
file_path: dvc/dvc/commands/freeze.py
imports: 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
label_desc: Use image node_id 1 for calling the CmdUnfreeze obj's underlying member method code with example usage: obj.run() and returns: self