code: def register_extra_network_alias(extra_network, alias):
      extra_network_aliases[alias] = extra_network
  
imports: import json
  import os
  import re
  import logging
  from collections import defaultdict
  from modules import errors
label_desc: Use image node_id 3 for calling a global function with example usage: register_extra_network_alias(extra_network, alias) without return types