code: def sock_port(self) -> Optional[int]:
      return self._sock_port
  
file_path: wandb/wandb/sdk/service/port_file.py
imports: import os
  import tempfile
  from typing import Optional
label_desc: Use image node_id 4 for calling the PortFile obj's underlying member method code with example usage: obj.sock_port() and returns: self