500 error at /add/

[bakert]

'NoneType' object has no attribute 'find'

Reported on decksite by logged_out```
--------------------------------------------------------------------------------
Request Method: POST
Path: /add/?
Cookies: {'__cfduid': 'd96e25b1bbee51f62e08553310213e6821539129199'}
Endpoint: add_deck
View Args: {}
Person: logged_out
Referrer: None
Request Data: {'url': 'https://tappedout.net/mtg-decks/09-10-18-vcI-gobbos'}
Host: pennydreadfulmagic.com
Accept-Encoding: gzip
Cf-Ipcountry: US
X-Forwarded-For: 2600:3c01:0:0:f03c:91ff:fee4:537c, 172.68.132.49
Cf-Ray: 46756ae519e795f5-SJC
X-Forwarded-Proto: https
Cf-Visitor: {"scheme":"https"}
User-Agent: python-requests/2.19.1
Accept: /
Cookie: __cfduid=d96e25b1bbee51f62e08553310213e6821539129199
Content-Type: application/x-www-form-urlencoded
Cf-Connecting-Ip: 2600:3c01:0:0:f03c:91ff:fee4:537c
X-Forwarded-Host: pennydreadfulmagic.com
X-Forwarded-Server: pennydreadfulmagic.com
Connection: Keep-Alive
Content-Length: 65

--------------------------------------------------------------------------------
AttributeError
'NoneType' object has no attribute 'find'
Stack Trace:
File "/home/discord/.local/lib/python3.6/site-packages/flask/app.py", line 2309, in call
return self.wsgi_app(environ, start_response)
File "/home/discord/.local/lib/python3.6/site-packages/flask/app.py", line 2295, in wsgi_app
response = self.handle_exception(e)
File "/home/discord/.local/lib/python3.6/site-packages/flask/app.py", line 2292, in wsgi_app
response = self.full_dispatch_request()
File "/home/discord/.local/lib/python3.6/site-packages/flask/app.py", line 1815, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/discord/.local/lib/python3.6/site-packages/flask/app.py", line 1718, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/discord/.local/lib/python3.6/site-packages/flask/_compat.py", line 35, in reraise
raise value
File "/home/discord/.local/lib/python3.6/site-packages/flask/app.py", line 1813, in full_dispatch_request
rv = self.dispatch_request()
File "/home/discord/.local/lib/python3.6/site-packages/flask/app.py", line 1799, in dispatch_request
return self.view_functionsrule.endpoint
File "./decksite/cache.py", line 79, in decorated_function
response = make_response(f(*args, **kwargs))
File "./decksite/main.py", line 177, in add_deck
deck_id = decksite.scrapers.tappedout.scrape_url(url).id
File "./decksite/scrapers/tappedout.py", line 90, in scrape_url
raw_deck.update(parse_printable(raw_deck)) # type: ignore
File "./decksite/scrapers/tappedout.py", line 107, in parse_printable
user = infobox.find('td', string='User')

[bakert]

1b3d52e0