code: def get_import_pkg(self) -> Optional[str]:
      if self.type.startswith("__torch__."):
          return self.type[len("__torch__.") :].split(".")[0]
      elif self.type.startswith("__mutated__."):
          return self.type[len("__mutated__.") :].split(".")[0]
      else:
          return None
  
imports: from typing import Any, Dict, List, Optional, cast
  from nni.common.framework import get_default_framework
label_desc: Use image node_id 5 for calling the PyTorchOperation obj's underlying member method code with example usage: obj.get_import_pkg() and returns: self, self, None