code: def changed_checksum(self) -> bool:
      # From current repo point of view what describes RepoDependency is its
      # origin project url and rev_lock, and it makes RepoDependency
      # immutable, hence its impossible for checksum to change.
      return False
  
file_path: dvc/dvc/dependency/repo.py
imports: from copy import deepcopy
  from typing import TYPE_CHECKING, Any, Dict, Optional, Union
  import voluptuous
  from dvc.utils import as_posix
  from .base import Dependency
label_desc: Use image node_id 11 for calling the RepoDependency obj's underlying member method code with example usage: obj.changed_checksum() and returns: False