code: def f2():
      return f1() + 5
  
file_path: dask/dask/tests/test_traceback.py
imports: from __future__ import annotations
  import traceback
  from contextlib import contextmanager
  import pytest
  import dask
  from dask.utils import shorten_traceback
label_desc: Use image node_id 3 for calling a global function with example usage: f2() and returns: unknown