code: def _modules_to_main(modList):
    
    if not modList:
      return
  
    main = sys.modules['__main__']
    for modname in modList:
      if isinstance(modname, str):
        try:
          mod = __import__(modname)
        except Exception:
          sys.stderr.write(
              'warning: could not import %s\n.  '
              'Your function may unexpectedly error due to this import failing;'
              'A version mismatch is likely.  Specific error was:\n' % modname)
          print_exec(sys.stderr)
        else:
          setattr(main, mod.__name__, mod)
docs: Force every module in modList to be placed into main