Markup seems to be deprecated and is now markupsafe apparently
File "/app/.heroku/python/lib/python3.9/site-packages/flask_table/init.py", line 1, in
2023-10-03T10:46:35.754301+00:00 app[web.1]: from .table import Table, create_table
2023-10-03T10:46:35.754301+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.9/site-packages/flask_table/table.py", line 5, in
2023-10-03T10:46:35.754301+00:00 app[web.1]: from flask import Markup
2023-10-03T10:46:35.754301+00:00 app[web.1]: ImportError: cannot import name 'Markup' from 'flask' (/app/.heroku/python/lib/python3.9/site-packages/flask/init.py)