code: def _nonblank(str):
      return str and not str.startswith("#")
  
imports: import re
  import itertools
  import textwrap
  import functools
  from setuptools.extern.jaraco.functools import compose, method_cache
  from setuptools.extern.jaraco.context import ExceptionTrap
label_desc: Use image node_id 13 for calling a global function with example usage: _nonblank(str) and returns: unknown