Update examples/nlg_server/nlg_server.py
Update examples/nlg_server/nlg_server.py

Co-Authored-By: wochinge <1d6e1cf70ec6f9ab28d3ea4b27a49a77654d370e@tobias-wochinger.de>
RasaHQ/rasa_core,RasaHQ/rasa_nlu,RasaHQ/rasa_core,RasaHQ/rasa_nlu,RasaHQ/rasa_core,RasaHQ/rasa_nlu