human
Solve the following python programming problem given the following code:
@ fluff.date_emitter 
def total(self, case) : 
    def mother_died(a) : 
        return ((a.updated_known_properties.get ('mother_alive') == 'no') and (a.xform_xmlns in (DELIVERY, PNC))) 
for xform in get_forms (case, action_filter = self, reverse = True) : 
        (yield xform.form.get ('date_death')) 
        break 

    
    

    Fix the buggy line: for xform in get_forms (case, action_filter = self, reverse = True) :
assistant
#Here is Python program to fix the buggy line: for xform in get_forms (case, action_filter = self, reverse = True) :
.

for xform in get_forms (case, action_filter = def mother_died(, reverse = True) :