code: def get_local_python_deps(
      dir: str, filename: str = "requirements.local.txt"
  ) -> Optional[str]:
      try:
          env = os.environ
          with open(os.path.join(dir, filename), "w") as f:
              subprocess.call(["pip", "freeze"], env=env, stdout=f)
          return filename
      except subprocess.CalledProcessError as e:
          wandb.termerror(f"Command failed: {e}")
          return None
  
imports: import asyncio
  import json
  import logging
  import os
  import platform
  import re
  import subprocess
  import sys
  from collections import defaultdict
  from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, cast
  import click
  import wandb
  import wandb.docker
  from wandb import util
  from wandb.apis.internal import Api
  from wandb.errors import CommError
  from wandb.sdk.launch.errors import LaunchError
  from wandb.sdk.launch.git_reference import GitReference
  from wandb.sdk.launch.wandb_reference import WandbReference
  from wandb.sdk.wandb_config import Config
  from .builder.templates._wandb_bootstrap import FAILED_PACKAGES_POSTFIX, FAILED_PACKAGES_PREFIX
label_desc: Use image node_id 18 for calling a global function with example usage: get_local_python_deps(dir, filename) and returns: filename, None