human
Solve the following python programming problem given the following code:
@ classmethod 
def make_instance(typeclass, cls, toEnum, fromEnum) : 
    def succ(a) : 
        return toEnum ((fromEnum (a) + 1)) 
def pred(a) : 
        return toEnum ((fromEnum (a) - 1)) 
def enumFromThen(start, second) : 
        pointer = fromEnum (start) 
        step = (fromEnum (second) - pointer) 
        while True : 
            (yield toEnum (pointer)) 
            pointer += step 
def enumFrom(start) : 
        return enumFromThen (start, succ (start)) 
def enumFromThenTo(start, second, end) : 
        if (start == end) : 
            (yield start) 
            return 
else : 
            if ((second >= start > end) or (second <= start < end)) : 
                return 
(pointer, stop) = (fromEnum (start), fromEnum (end)) 
        step = (fromEnum (second) - pointer) 
        while (((start < end) and (pointer <= stop)) or ((start > end) and (pointer >= stop))) : 
            (yield toEnum (pointer)) 
            pointer += step 
return 
def enumFromTo(start, end) : 
        second = (succ (start) if (start < end) else pred (start)) 
        return enumFromThenTo (start, second, end) 
attrs = { 
        'toEnum' : toEnum, 
        'fromEnum' : fromEnum, 
        'succ' : succ, 
        'pred' : pred, 
        'enumFromThen' : enumFromThen, 
        'enumFrom' : enumFrom, 
        'enumFromThenTo' : typeclass, 
        'enumFromTo' : enumFromTo, 
} 
    build_instance (Enum, cls, attrs) 
    return 

    
    

    Fix the buggy line: 'enumFromThenTo' : typeclass ,
assistant
#Here is Python program to fix the buggy line: 'enumFromThenTo' : typeclass ,
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'enumFromThenTo' : enumFromThenTo ,