TypeError: 'NoneType' object is not callable

[Satish ML]

Hi,

TypeError: 'NoneType' object is not callable? Why this error and what is the solution?
Code:
class SuperMeta:
    def __call__(self, classname, supers, classdict):
        print('In SuperMeta.call: ', classname, supers, classdict, sep='\n...')
        Class = self.__New__(classname, supers, classdict)
        self.__Init__(Class, classname, supers, classdict)
class SubMeta(SuperMeta):
    def __New__(self, classname, supers, classdict):
        print('In SubMeta.new: ', classname, supers, classdict, sep='\n...')
        return type(classname, supers, classdict)
    def __Init__(self, Class, classname, supers, classdict):
        print('In SubMeta init:', classname, supers, classdict, sep='\n...')
        print('...init class object:', list(Class.__dict__.keys()))
class Eggs:
    pass
print('making class')
class Spam(Eggs, metaclass=SubMeta()):
    data = 1
    def meth(self, arg):
        pass
print('making instance')
X = Spam()

print('data:', X.data)
Output:
making class
In SuperMeta.call: 
...Spam
...(<class '__main__.Eggs'>,)
...{'meth': <function Spam.meth at 0x0000000003539EA0>, '__module__': '__main__', '__qualname__': 'Spam', 'data': 1}
In SubMeta.new: 
...Spam
...(<class '__main__.Eggs'>,)
...{'meth': <function Spam.meth at 0x0000000003539EA0>, '__module__': '__main__', '__qualname__': 'Spam', 'data': 1}
In SubMeta init:
...Spam
...(<class '__main__.Eggs'>,)
...{'meth': <function Spam.meth at 0x0000000003539EA0>, '__module__': '__main__', '__qualname__': 'Spam', 'data': 1}
...init class object: ['meth', '__module__', 'data', '__doc__']
making instance
Traceback (most recent call last):
  File "C:/Users/Satish/Desktop/Python/Metaclasses7.py", line 21, in <module>
    X = Spam()
TypeError: 'NoneType' object is not callable