human
Solve the following python programming problem given the following code:
def test_no_cleanup_bridge_in_bridge_mappings(self) : 
    def callback(br_fixture) : 
        br_name = br_fixture.bridge.name 
        conf = config_fixtures.ConfigDict () 
        conf.update ({ 
            'LINUX_BRIDGE' : { 
                'bridge_mappings' : ('physnet:%s' % br_name), 
}, 
}) 
        return conf 
self._test_linuxbridge_cleanup (True, self) 

    
    

    Fix the buggy line: self._test_linuxbridge_cleanup (True, self)
assistant
#Here is Python program to fix the buggy line: self.

self._test_linuxbridge_cleanup (True, def callback()