code: def _is_whitespace(char):
      if char == " " or char == "\t" or char == "\n" or char == "\r":
          return True
      return unicodedata.category(char) == "Zs"
  
file_path: tinygrad/examples/mlperf/helpers.py
imports: from collections import OrderedDict
  import unicodedata
  import numpy
  from scipy import signal
label_desc: Use image node_id 6 for calling a global function with example usage: _is_whitespace(char) and returns: unknown, True