docstr: Suppress supplying distutils for CPython (build and tests).
  Ref #2965 and #3007.
docstr_tok: ["Suppress","supplying","distutils","for","CPython","(","build","and","tests",")",".","Ref","#","2965","and","#","3007","."]
code: def is_cpython():
      """
      Suppress supplying distutils for CPython (build and tests).
      Ref #2965 and #3007.
      """
      return os.path.isfile("pybuilddir.txt")
  
imports: import sys
  import os
label_desc: Use image node_id 3 for calling the DistutilsMetaFinder obj's underlying member method code with example usage: obj.is_cpython() and returns: os