human
Solve the following python programming problem given the following code:
def _command(name, description = None) : 
    "Decorate a function used to call a command.

    If you don't set *description*, it won't be included in help
    (useful for deprecated commands)." 
    def decorator(f) : 
        commands [name] = f 
        if description : 
            descriptions [name] = description 
return f 
return description 

    
    

    Fix the buggy line: return description
assistant
#Here is Python program to fix the buggy line: return description
.

return def decorator(