code: def _find_tzfile(self, key):
      return _tzpath.find_tzfile(key)
  
imports: import bisect
  import calendar
  import collections
  import functools
  import re
  import weakref
  from datetime import datetime, timedelta, tzinfo
  from .None import _common, _tzpath
label_desc: Use image node_id 19 for calling the ZoneInfo obj's underlying member method code with example usage: obj._find_tzfile(key) and returns: _tzpath