code: def walk_revctrl(dirname=""):
      """Find all files under revision control"""
      for ep in pkg_resources.iter_entry_points(
          "setuptools.file_finders"
      ):
          for item in ep.load()(dirname):
              yield item
  
imports: from distutils import log
  import distutils.command.sdist
  import os
  import sys
  import io
  import contextlib
  from setuptools.extern import six, ordered_set
  from .py36compat import sdist_add_defaults
  import pkg_resources
label_desc: Use image node_id 1 for calling a global function with example usage: walk_revctrl(dirname) without return types