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switch descriptor howto to return value annotation (GH-7796)

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NotAFile 2018-09-10 23:35:38 +02:00 • committed by Benjamin Peterson
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Doc/howto/descriptor.rst
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@ -48,11 +48,11 @@ a flexible set of new tools for everyday Python programs.
Descriptor Protocol
-------------------
``descr.__get__(self, obj, type=None) --> value``
``descr.__get__(self, obj, type=None) -> value``
``descr.__set__(self, obj, value) --> None``
``descr.__set__(self, obj, value) -> None``
``descr.__delete__(self, obj) --> None``
``descr.__delete__(self, obj) -> None``
That is all there is to it. Define any of these methods and an object is
considered a descriptor and can override default behavior upon being looked up