Jean-Marc Le Peuvedic added the comment:
The exception is raised in the start_response function provided by web.py's
WSGIGateway class in wsgiserver3.py:1997.
# According to PEP , when using Python 3, the response status
# and headers must be bytes masquerading as unicode
New submission from Jean-Marc Le Peuvedic <lepeuve...@gmail.com>:
When running the built-in web server of web.py, the following error messages
appear when the HTTP client fetches a non existing CSS file:
TypeError('WSGI response header value 469 is not of type str.',)
Traceback (most
