input_hint defaults to 'acceptingInput' only if none set
@@ -140,6 +140,7 @@ class TurnContext(object):
Activity(text=a, type='message') if isinstance(a, str) else a, reference)
for a in activity_or_text]
for activity in output:
+ if not activity.input_hint:
activity.input_hint = 'acceptingInput'
async def callback(context: 'TurnContext', output):
