code: def get_label(line):
      m = label_re.match(line)
      if m:
          return m.group(1)
  
imports: from __future__ import annotations
  import copy
  import os
  import re
  import sys
  from functools import partial
  from operator import add, neg
  import pytest
  from dask.dot import _to_cytoscape_json, cytoscape_graph
  from dask import delayed
  from dask.utils import ensure_not_exists
label_desc: Use image node_id 1 for calling a global function with example usage: get_label(line) and returns: m