code: def local(self):
      if self._version.local:
          return ".".join(str(x) for x in self._version.local)
      else:
          return None
  
imports: from __future__ import absolute_import, division, print_function
  import collections
  import itertools
  import re
  from ._structures import Infinity
label_desc: Use image node_id 9 for calling the Version obj's underlying member method code with example usage: obj.local() and returns: str, None