code: def is_builtin_module(module_name):
      """Test if a module is a builtin module (numpy, math, ...)."""
      module_name = module_name.split(".")[0]
      return module_name in MODULES
  
imports: from pythran.passmanager import Transformation
  from pythran.tables import MODULES, pythran_ward
  from pythran.syntax import PythranSyntaxError
  import gast
  import logging
  import os
label_desc: Use image node_id 6 for calling a global function with example usage: is_builtin_module(module_name) and returns: unknown