PyO3 has a missing `Sync` bound on `PyCFunction::new_closure` closures

PyCFunction::newclosure and the temporary newclosurebound complement in the 0.21–0.22 series required the supplied closure to be Send + 'static but not Sync. The resulting PyCFunction is a Python callable that can be invoked from any Python thread, which means the closure may be called concurrent...

python3 security update

3.6.8-45.0.1 - Add Oracle Linux distribution in platform.py Orabug: 20812544 3.6.8-45 - Security fix for CVE-2021-4189: ftplib should not use the host from the PASV response Resolves: rhbz2036020 3.6.8-44 - Use the monotonic clock for theading.Condition - Use the monotonic clock for the global...