human
Solve the following python programming problem given the following code:
def _setup_pailgun(self) : 
    'Sets up a PailgunServer instance.' 
    def runner_factory(sock, arguments, environment) : 
        exiter = self._exiter_class (sock) 
        return self._runner_class (sock, exiter, arguments, environment) 
return PailgunServer (runner_factory._bind_addr, runner_factory) 

    
    

    Fix the buggy line: return PailgunServer (runner_factory._bind_addr, runner_factory)
assistant
#Here is Python code to fix the buggy line: return PailgunServer (runner_factory.

return PailgunServer (self._bind_addr, runner_factory)