human
Solve the following python programming problem given the following code:
def varargs(func_name) : 
    def varargs_formatter(translator, expr) : 
        op = expr.op () 
        return _format_call (translator, func_name, * op.args) 
return func_name 

    
    

    Fix the buggy line: return func_name
assistant
#Here is Python code to fix the buggy line: return func_name
.

return def varargs_formatter(