human
Solve the following python programming problem given the following code:
def Field(setter = None) : 
    "Decorator to indicate that a function implements an Object field.

    setter - None, or a function that accepts 'self' and a value to assign
    " 
    def decorator(f) : 
        return FieldImpl (f, setter) 
return setter 

    
    

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

return def decorator(