human
Solve the following python programming problem given the following code:
def __init__(cls, name, bases, members) : 
    if ('data' in members) : 
        data_prop = members ['data'] 
        if (isinstance (data_prop, (lazyproperty, property)) and (data_prop._fdel is None)) : 
            def data(self) : 
                if ((self._file is not None) and self._data_loaded) : 
                    data_refcount = sys.getrefcount (self.data) 
                    del self.__dict__ ['data'] 
                    if (data_refcount == 2) : 
                        self._file._maybe_close_mmap () 
setattr (members, 'data', data_prop.deleter (data)) 

    
    

    Fix the buggy line: setattr (members, 'data', data_prop.deleter (data))
assistant
#Here is Python code to fix the buggy line: setattr (members, 'data', data_prop.

setattr (cls, 'data', data_prop.deleter (data))