Comment by vimy

Sorry, that was the wrong error.

"[2021-01-01 21:06:27,366] ERROR in app: Exception on / [GET] Traceback (most recent call last):

  File "flask/app.py", line 2447, in wsgi_app

  File "flask/app.py", line 1952, in full_dispatch_request

  File "flask/app.py", line 1821, in handle_user_exception

  File "flask/_compat.py", line 39, in reraise

  File "flask/app.py", line 1950, in full_dispatch_request

  File "flask/app.py", line 1936, in dispatch_request

  File "imessage2020wrapped/app.py", line 360, in index

  File "imessage2020wrapped/app.py", line 194, in get_when_data

  File "imessage2020wrapped/app.py", line 155, in avg_datetime
"