def create_session(data, wsck):
c_key = ndb.Key(urlsafe=wsck)
s_id = Session.allocate_ids(size=1, parent=c_key)[0]
s_key = ndb.Key(Session, s_id, parent=c_key)
data['key'] = s_key
speaker = get_create_speaker(data["speaker"])
data["speaker"] = speaker
session = Session(**data)
session.put()
return session
