Use static callbacks with Python 3.x again #3350
Merged
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Static callbacks were disabled for Python 3.5+ to work around an issue
with subinterpreters, locking callbacks and osrandom engine. Locking
callback and osrandom engine were replaced with a C implementations in
version 1.6 and 1.7.
#2970
Closes: #3348
Signed-off-by: Christian Heimes christian@python.org