im having trouble with my pithon but im clueless to what ive done wrong

i have been trying to get this options = options thing to work for ages but i am having troubles and i have no idea as to what i did ur there are no red or green underlines or anything else that suggest i missed typed. what am i doing wrong can people help? this is what it comes up with when i run…
Ignoring exception in on_message
Traceback (most recent call last):
File “/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/client.py”, line 343, in _run_event
await coro(*args, **kwargs)
File “main.py”, line 78, in on_message
options = options + db[“words”]
TypeError: can only concatenate list (not “ObservedList”) to list

I ran to this error the other day,

Try typing the db query

options = options + list( db["words"] )

so that it concatenate list to list.