Mod_python error: "PythonHandler mod_python.publisher"

Traceback (most recent call last):

  File "<string>", line 51, in ParseParameters

KeyError: 'x'


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "/usr/lib/python3/dist-packages/mod_python/apache.py", line 402, in HandlerDispatch
    result = obj(req)

  File "/usr/lib/python3/dist-packages/mod_python/publisher.py", line 222, in handler
    published = publish_object(req, object)

  File "/usr/lib/python3/dist-packages/mod_python/publisher.py", line 446, in publish_object
    return publish_object(req, util.apply_fs_data(obj, req.form, req=req))

  File "/usr/lib/python3/dist-packages/mod_python/util.py", line 662, in apply_fs_data
    return object(**args)

  File "<string>", line 20, in index

  File "<string>", line 35, in main

  File "<string>", line 54, in ParseParameters

TypeError: not all arguments converted during string formatting