old_contents: import dvc.logger as logger
  from dvc.exceptions import DvcException
  from dvc.command.base import CmdBase
  
  
  class CmdMove(CmdBase):
      def run(self):
          try:
              self.project.move(self.args.src, self.args.dst)
          except DvcException:
              msg = "failed to move '{}' -> '{}'".format(self.args.src,
                                                         self.args.dst)
              logger.error(msg)
              return 1
          return 0
  
  
  def add_parser(subparsers, parent_parser):
      description = "Rename or move a data file or a directory that "\
             "is under DVC control. It renames and modifies "\
             "the corresponding DVC file to reflect the changes."
      help = "Rename or move a DVC controlled data file or a directory."
      move_parser = subparsers.add_parser(
          'move',
          parents=[parent_parser],
          description=description,
          help=help)
      move_parser.add_argument('src', help='Source path to a data file or directory.')
      move_parser.add_argument('dst', help='Destination path.')
      move_parser.set_defaults(func=CmdMove)
  
new_contents: import dvc.logger as logger
  from dvc.exceptions import DvcException
  from dvc.command.base import CmdBase
  
  
  class CmdMove(CmdBase):
      def run(self):
          try:
              self.project.move(self.args.src, self.args.dst)
          except DvcException:
              msg = "failed to move '{}' -> '{}'".format(self.args.src,
                                                         self.args.dst)
              logger.error(msg)
              return 1
          return 0
  
  
  def add_parser(subparsers, parent_parser):
      description = "Rename or move a data file or a directory that "\
             "is under DVC control. It renames and modifies "\
             "the corresponding DVC file to reflect the changes."
      help = "Rename or move a DVC controlled data file or a directory."
      move_parser = subparsers.add_parser(
          'move',
          parents=[parent_parser],
          description=description,
          help=help)
      move_parser.add_argument('src',
                               help='Source path to a data file or directory.')
      move_parser.add_argument('dst', help='Destination path.')
      move_parser.set_defaults(func=CmdMove)
  
subject: add a newline to keep the total length under 80 chars