code: def knownfail(msg):
      from .exceptions import KnownFailureTest
  
      # Keep the next ultra-long comment so it shows in console.
      raise KnownFailureTest(msg)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import sys
label_desc: Use image node_id 5 for calling a global function with example usage: knownfail(msg) without return types