human
Solve the following python programming problem given the following code:
def conv_DateField(self, model, field, kwargs) : 
    def time_only(obj) : 
        try : 
            return obj.date () 
except AttributeError : 
            return obj 
kwargs ['filters'].append (time_only) 
    return f.DateField (widget = form.DatePickerWidget (), ** self) 

    
    

    Fix the buggy line: return f.DateField (widget = form.DatePickerWidget (), ** self)
assistant
#Here is Python program to fix the buggy line: return f.

return f.DateField (widget = form.DatePickerWidget (), ** kwargs)