Traceback (most recent call last):
  File "/home/monperrus.net/www/martin/gateway.py", line 233, in <module>
    response = route(slug)
  File "/home/monperrus.net/www/martin/gateway.py", line 126, in route
    res.text = open(slug).read()
IsADirectoryError: [Errno 21] Is a directory: 'bibtexbrowser'