![]() PyEnv is a useful open source tool for managing multiple Python versions on your machine. In other words, if you remove this version - things may break.Īlso, if you use Python professionally, you’ll likely need to use specific versions for different projects, so it’s useful to be able to switch versions as needed. This is not recommended because there may be some software on your macOS which requires Python 2.7 to run. So you might be thinking: Why not remove the old version (2.7) and replace it with a newer version like 3.9 using the traditional installation method? So what’s the best way to upgrade to Python 3 on macOS? Having found myself stuck in dependancy hell before I decided do some reading and have settled on using pyenv which makes install and maintaining various versions of Python easy.However, the version installed is usually 2.7, which was deprecated on January 1st 2020. If your software depends on scripting languages, it’s recommended that you bundle the runtime within the app. Future versions of macOS won’t include scripting language runtimes by default, and might require you to install additional packages. Scripting language runtimes such as Python, Ruby, and Perl are included in macOS for compatibility with legacy software. Interestingly the latest version of macOS still ships with Python 2.7 as its default Python interpreter, however that won’t be for much longer as Apple are removing all Scripting Language Runtimes from future releases of macOS You should upgrade to Python 3 as soon as you can. ![]() ![]() That means that we will not improve it anymore after that day, even if someone finds a security problem in it. We have decided that January 1, 2020, will be the day that we sunset Python 2. The latest major version of Python 2 was originally release on and on Python 2 will be no more
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