assert mimetype is not None

[emmanuelito]

Error / tuna 0.5.11 / installed with pip

When called with invalid URL, instead of a clean 404, we get

Exception occurred during processing of request from ('192.168.64.1', 62031)
Traceback (most recent call last):
  File "/usr/lib/python3.9/socketserver.py", line 316, in _handle_request_noblock
    self.process_request(request, client_address)
  File "/usr/lib/python3.9/socketserver.py", line 347, in process_request
    self.finish_request(request, client_address)
  File "/usr/lib/python3.9/socketserver.py", line 360, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python3.9/socketserver.py", line 720, in __init__
    self.handle()
  File "/usr/lib/python3.9/http/server.py", line 427, in handle
    self.handle_one_request()
  File "/usr/lib/python3.9/http/server.py", line 415, in handle_one_request
    method()
  File "/opt/scodoc/venv/lib/python3.9/site-packages/tuna/main.py", line 59, in do_GET
    assert mimetype is not None
AssertionError