environment/lib/python2.7/site-packages/IPython/core/prefilter.py
def unregister_checker(self, checker):
        """Unregister a checker instance."""
        if checker in self._checkers:
            self._checkers.remove(checker)
def unregister_checker(self, checker):
        """Unregister a checker instance."""
        if checker in self._checkers:
            self._checkers.remove(checker)
Unregister a checker instance.