1. 2016-10-25 [8] Re: [Pythonmac-SIG] PyObjC and macOS 10.12 (Sierra) pythonmac Ronald Oussor 2. 2016-10-12 [4] Re: [Pythonmac-SIG] [Pyobjc-dev] PyObjC and macOS 10 pythonmac Ronald Oussor