def remove(self, pattern):
        """Remove a :class:`Pattern` from the :class:`PatternSet`"""
        assert isinstance(pattern, Pattern)
        self.patterns.remove(pattern)
        self._all_files = None
def remove ( self , pattern ) : assert isinstance ( pattern , Pattern ) self . patterns . remove ( pattern ) self . _all_files = None
Remove a :class:`Pattern` from the :class:`PatternSet`