404 Not Found

The path '/kontakty.html' was not found.
In addition, the custom error page failed:
TypeError: render_body() takes exactly 1 argument (2 given)

Traceback (most recent call last):
  File "/home/pyster/envs/env_abromet/local/lib/python2.7/site-packages/cherrypy/_cprequest.py", line 670, in respond
    response.body = self.handler()
  File "/home/pyster/envs/env_abromet/local/lib/python2.7/site-packages/cherrypy/_cperror.py", line 411, in __call__
    raise self
NotFound: (404, "The path '/kontakty.html' was not found.")
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