class_docstr: tzinfo class based on win32's timezones available in the registry.
class_docstr_tok: ["tzinfo","class","based","on","win32","'s","timezones","available","in","the","registry","."]
code: def __init__(self):
      raise NotImplementedError("tzwinbase is an abstract base class")
  
imports: import datetime
  import struct
  from six.moves import winreg
  from six import text_type
  from ._common import tzrangebase
label_desc: Use image node_id 1 to create a new tzwinbase object from inherited base classes: tzrangebase with example: obj = tzwinbase()