code: def install_dynamic(self):
      install_and_restart(
          self.channels.get("code"), self.path.base / "code"
      )
  
imports: import json
  import shutil
  from pathlib import Path
  from typing import Dict, Optional, Tuple
  from gluonts.pydantic import BaseModel
  from .dyn import install_and_restart
  from .params import decode_sagemaker_parameters
  from .nested_params import decode_nested_parameters
label_desc: Use image node_id 2 for calling the TrainEnv obj's underlying member method code with example usage: obj.install_dynamic() without return types