code: def get_dataset_exist_error_msg(full_name: str) -> str:
      return _("Dataset %(name)s already exists", name=full_name)
  
imports: from flask_babel import lazy_gettext
  from marshmallow.validate import ValidationError
  from superset.commands.exceptions import CommandException, CommandInvalidError, CreateFailedError, DeleteFailedError, ForbiddenError, ImportFailedError, UpdateFailedError
label_desc: Use image node_id 1 for calling a global function with example usage: get_dataset_exist_error_msg(full_name) and returns: _