human
Solve the following python programming problem given the following code:
def remove_default(self, domain, key) : 
    self.defaults.delete (domain, key) 
    def transform(defaults) : 
        defaults.pop (key, None) 
        return defaults 
if self._modify_defaults (self, transform) : 
        tty.puts ('Updated defaults') 

    
    

    Fix the buggy line: if self._modify_defaults (self, transform) :
assistant
#Here is Python program to fix the buggy line: if self.

if self._modify_defaults (domain, transform) :