I'm getting this WARNING message when using the Domoticz.Configuration() API which has been introduced recently.
Jun 08 18:53:14 rasp domoticz[31431]: /var/lib/domoticz/plugins/Domoticz-Zigate/Modules/tools.py DeprecationWarning: PY_SSIZE_T_CLEAN will be required for '#' formats
Jun 08 18:53:14 rasp domoticz[31431]: Config = Domoticz.Configuration()