Cherrypy - no response to requests

[joe_momma]

post your output after you start your script there may be information
here's mine for your script:

Output:
[15/May/2019:09:02:21] ENGINE Listening for SIGUSR1.
[15/May/2019:09:02:21] ENGINE Listening for SIGTERM.
[15/May/2019:09:02:21] ENGINE Listening for SIGHUP.
[15/May/2019:09:02:21] ENGINE Bus STARTING

Warning (from warnings module):
  File "/home/pi/.local/lib/python3.5/site-packages/cherrypy/_cpchecker.py", line 105
    warnings.warn(msg)
UserWarning: The Application mounted at '' has an empty config.
[15/May/2019:09:02:21] ENGINE Started monitor thread 'Autoreloader'.
[15/May/2019:09:02:21] ENGINE Serving on http://127.0.0.1:2020
[15/May/2019:09:02:21] ENGINE Bus STARTED