code: def merge_family(left, right):
      result = {}
      for kl, vl in left.items():
          for kr, vr in right.items():
              if not isinstance(vl, list):
                  raise TypeError(type(vl))
              result[kl] = vl + vr
      left.update(result)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import functools
  import os
  import platform
  import re
  import sys
  import time
  from datetime import datetime
  import py
  import six
  import pytest
  from _pytest import nodes
  from _pytest.config import filename_arg
label_desc: Use image node_id 2 for calling a global function with example usage: merge_family(left, right) without return types