code: def get(run_uuid: str) -> Optional["Run"]:
      run_key = RunIndex.get(run_uuid)
  
      if run_key:
          return run_key.load()
  
      return None
  
imports: import time
  from typing import Dict, List, Optional, Union, NamedTuple
  from fastapi import Request
  from labml_db import Model, Key, Index, load_keys
  from ..None import auth
  from .None import user
  from ..None import utils
  from .None import project
  from .None import computer
  from .None import status
  from ..None import settings
  from ..analyses.experiments.metrics import MetricsAnalysis, MetricsPreferencesIndex, MetricsPreferencesModel
  from ..logger import logger
  from ..None import analyses
  from ..enums import RunEnums
label_desc: Use image node_id 4 for calling a global function with example usage: get(run_uuid) and returns: None, run_key