Update api.py
Update api.py

Remove "T" option from isoformat()
PHLF/rasa_nlu,PHLF/rasa_nlu,RasaHQ/rasa_nlu,beeva-fernandocerezal/rasa_nlu,verloop/rasa_nlu,RasaHQ/rasa_nlu,RasaHQ/rasa_nlu,beeva-fernandocerezal/rasa_nlu,verloop/rasa_nlu