code: def open(self):
          
          self.client = SmsGateApi(getattr(settings, 'SMS_SLUZBA_API_LOGIN', ''),
                                   getattr(settings, 'SMS_SLUZBA_API_PASSWORD', ''),
                                   getattr(settings, 'SMS_SLUZBA_API_TIMEOUT', 2),
                                   getattr(settings, 'SMS_SLUZBA_API_USE_SSL', True))
docs: Initializes sms.sluzba.cz API library.