| @@ -1968,7 +1968,7 @@ current call is identified based on the first argument passed to the method. |
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be propagated up to the ``type.__new__`` call in order for the class to be |
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initialised correctly. |
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Failing to do so will result in a :exc:`DeprecationWarning` in Python 3.6, |
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- and a :exc:`RuntimeWarning` in the future. |
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+ and a :exc:`RuntimeError` in Python 3.8. |
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When using the default metaclass :class:`type`, or any metaclass that ultimately |
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calls ``type.__new__``, the following additional customisation steps are |