dbbackup don't support psqlextra.backend

[badalAtAkus]

File "D:\myvenv\lib\site-packages\django\core\management\base.py", line 398, in execute
output = self.handle(*args, **options)
File "D:\myvenv\lib\site-packages\dbbackup\utils.py", line 118, in wrapper
func(*args, **kwargs)
File "D:\myvenv\lib\site-packages\dbbackup\management\commands\dbbackup.py", line 58, in handle
self.connector = get_connector(database_key)
File "D:\myvenv\lib\site-packages\dbbackup\db\base.py", line 41, in get_connector
connector_path = connector_settings.get('CONNECTOR', CONNECTOR_MAPPING[engine])
KeyError: 'psqlextra.backend'

Whenever I tried to backup db it shows this error