class_docstr: Smart sdist that finds anything supported by revision control
class_docstr_tok: ["Smart","sdist","that","finds","anything","supported","by","revision","control"]
code: def _default_to_gztar(self):
      # only needed on Python prior to 3.6.
      if sys.version_info >= (3, 6, 0, "beta", 1):
          return
      self.formats = ["gztar"]
  
imports: from distutils import log
  import distutils.command.sdist
  import os
  import sys
  import contextlib
  from itertools import chain
  from .._importlib import metadata
  from .build import _ORIGINAL_SUBCOMMANDS
label_desc: Use image node_id 3 for calling the sdist obj's underlying member method code with example usage: obj._default_to_gztar() without return types