_filename is not used
            Args:
                _filename(string)

def output(self, _filename):
        """
            _filename is not used
            Args:
                _filename(string)
        """

        for contract in self.slither.contracts_derived:
            txt = "\nContract %s"%contract.name
            table = PrettyTable(["Function",
                                 "Modifiers"])
            for function in contract.functions:
                modifiers = function.modifiers
                for call in function.all_internal_calls():
                    if isinstance(call, Function):
                        modifiers += call.modifiers
                for (_, call) in function.all_library_calls():
                    if isinstance(call, Function):
                        modifiers += call.modifiers
                table.add_row([function.name, [m.name for m in set(modifiers)]])
            txt += "\n"+str(table)
            self.info(txt)