code: def get_run_or_404(run_id, repo=None):
      if repo is None:
          repo = get_project_repo()
  
      run = repo.get_run(run_id)
      if not run:
          raise HTTPException(status_code=404, detail="Run not found.")
  
      return run
  
imports: import asyncio
  import numpy
  import random
  import struct
  import time
  from collections import namedtuple
  from itertools import chain
  from typing import Iterator, Tuple, Optional, List
  from typing import TYPE_CHECKING
  from fastapi import HTTPException
  from aim.storage.context import Context
  from aim.sdk import Run
  from aim.sdk.sequences.metric import Metric
  from aim.sdk.sequence_collection import SequenceCollection
  from aim.storage.query import syntax_error_check
  from aim.web.configs import AIM_PROGRESS_REPORT_INTERVAL
  from aim.web.api.projects.project import Project
  from aim.web.api.runs.pydantic_models import AlignedRunIn, TraceBase
  from aim.storage.treeutils import encode_tree
label_desc: Use image node_id 1 for calling a global function with example usage: get_run_or_404(run_id, repo) and returns: run