code: def __repr__(self):
      if self._key is not None:
          return f"{self.__class__.__name__}(key={self._key!r})"
      else:
          return (
              f"{self.__class__.__name__}.from_file({self._file_repr})"
          )
  
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 15 for calling the ZoneInfo obj's underlying member method code with example usage: obj.__repr__() and returns: self, str, self, str, self, str, self, str