Bruce Merry 9d698f7fcc Hold strong references to keep_alive patients ... This fixes #856. Instead of the weakref trick, the internals structure holds an unordered_map from PyObject* to a vector of references. To avoid the cost of the unordered_map lookup for objects that don't have any keep_alive patients, a flag is added to each instance to indicate whether there is anything to do.		2017-06-24 12:59:46 -04:00
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pybind11	Hold strong references to keep_alive patients	2017-06-24 12:59:46 -04:00