human
Solve the following python programming problem given the following code:
def __init__(cls, name, bases, dic) : 
    print ('<[500]> MetaAleph.__init__') 
    def inner_2(self) : 
        print ('<[600]> MetaAleph.__init__:inner_2') 
cls.method_z = cls 

    
    

    Fix the buggy line: cls.method_z = cls
assistant
#Here is Python code to fix the buggy line: cls.

cls.method_z = def inner_2(