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fix typo in pickle example #2669

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2 changes: 1 addition & 1 deletion docs/upgrade.rst
Original file line number Diff line number Diff line change
Expand Up @@ -192,7 +192,7 @@ way to get and set object state. See :ref:`pickling` for details.
...
.def(py::pickle(
[](const Foo &self) { // __getstate__
return py::make_tuple(f.value1(), f.value2(), ...); // unchanged
return py::make_tuple(self.value1(), self.value2(), ...); // unchanged
},
[](py::tuple t) { // __setstate__, note: no `self` argument
return new Foo(t[0].cast<std::string>(), ...);
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