code: def blowstack(fxn, arg, compare_to):
      # Make sure that calling isinstance with a deeply nested tuple for its
      # argument will raise RecursionError eventually.
      tuple_arg = (compare_to,)
      for cnt in range(support.EXCEEDS_RECURSION_LIMIT):
          tuple_arg = (tuple_arg,)
          fxn(arg, tuple_arg)
  
imports: import unittest
  import typing
  from test import support
label_desc: Use image node_id 1 for calling a global function with example usage: blowstack(fxn, arg, compare_to) without return types