Issue description: Python-ldap does not install for python 3.9 due to sasl dependency. When we are trying to install python-ldap during the Python 3.9 build, it pulls in sasl dependency which is no ...

For this repository to support 3.9, Blender would need to support building with Python 3.9 as the linked Python version. This is a C/C++ extension we are talking about after all.

The Python Software Foundation has released the second release candidate (RC) of Python 3.9 and is warning users to watch for deprecation warnings as it drops backward compatibility for ...