class_docstr: Implementation for subcmd `towhee init`.
  Create an Operator in towhee hub.
code: def init_op(self):
      op_manager = OperatorManager(self.uri.author, self.uri.repo)
      repo_path = Path(self._args.dir)
      self.init_repo(op_manager, repo_path)
  
file_path: towhee/towhee/command/initialize.py
imports: import shutil
  import argparse
  from pathlib import Path
  from towhee.hub.repo_manager import REPO_TEMPLATE
  from towhee.hub.operator_manager import OperatorManager
  from towhee.utils.repo_normalize import RepoNormalize
label_desc: Use image node_id 3 for calling the InitCommand obj's underlying member method code with example usage: obj.init_op() without return types