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keep_alive: don't fail when there is no patient

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Wenzel Jakob 2016-04-25 03:25:13 +02:00
parent 7d0162a2df
commit 9b880ba743
1 changed files with 3 additions and 0 deletions
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include/pybind11/pybind11.h
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@ -982,6 +982,9 @@ PYBIND11_NOINLINE inline void keep_alive_impl(int Nurse, int Patient, handle arg
if (!nurse || !patient) if (!nurse || !patient)
pybind11_fail("Could not activate keep_alive!"); pybind11_fail("Could not activate keep_alive!");
if (patient.ptr() == Py_None)
return; /* Nothing to keep alive */
cpp_function disable_lifesupport( cpp_function disable_lifesupport(
[patient](handle weakref) { patient.dec_ref(); weakref.dec_ref(); }); [patient](handle weakref) { patient.dec_ref(); weakref.dec_ref(); });