docstr: Return the pip URI from the RuntimeEnv if it exists, else return [].
docstr_tok: ["Return","the","pip","URI","from","the","RuntimeEnv","if","it","exists",",","else","return","[","]","."]
code: def get_uris(
      self, runtime_env: "RuntimeEnv"
  ) -> List[str]:  # noqa: F821
      """Return the pip URI from the RuntimeEnv if it exists, else return []."""
      pip_uri = runtime_env.pip_uri()
      if pip_uri:
          return [pip_uri]
      return []
  
imports: import asyncio
  import hashlib
  import json
  import logging
  import os
  import shutil
  import sys
  import tempfile
  from typing import Dict, List, Optional, Tuple
  from contextlib import asynccontextmanager
  from asyncio import create_task, get_running_loop
  from ray._private.runtime_env.context import RuntimeEnvContext
  from ray._private.runtime_env.packaging import Protocol, parse_uri
  from ray._private.runtime_env.plugin import RuntimeEnvPlugin
  from ray._private.runtime_env.utils import check_output_cmd
  from ray._private.utils import get_directory_size_bytes, try_to_create_directory
label_desc: Use image node_id 3 for calling the PipPlugin obj's underlying member method code with example usage: obj.get_uris(runtime_env) and returns: list, list