Need help fixing comint fontification for python.

[Fabian Ezequiel Gallina]

In python.el there's an option called `python-shell-enable-font-lock'
that enables fontification in the comint buffer. It works pretty good
except for one thing, if the shell returns some output with unbalanced
quotes then all the following text after the
`comint-last-prompt-overlay' will be fontified as a string.

What would be the best way remove the syntax class for all the output?
I tried with set-text-properties to font-lock-unfontify-buffer with no
luck.


Thanks in advance,
Fabián.