capybara/virtualenv/lib/python2.7/site-packages/pip/compat/dictconfig.py
def add_filters(self, filterer, filters):
        """Add filters to a filterer from a list of names."""
        for f in filters:
            try:
                filterer.addFilter(self.config['filters'][f])
            except StandardError as e:
                raise ValueError('Unable to add filter %r: %s' % (f, e))
def add_filters(self, filterer, filters):
        """Add filters to a filterer from a list of names."""
        for f in filters:
            try:
                filterer.addFilter(self.config['filters'][f])
            except StandardError as e:
                raise ValueError('Unable to add filter %r: %s' % (f, e))
Add filters to a filterer from a list of names.