##### Preview features
Follow topics & set alerts with myFT
。关于这个话题，新收录的资料提供了深入分析
Region 14 and 15 were merged into 11.
For simplicity, I'm using the "throw as return" pattern here, which is an anti-pattern. The error-as-value discussion is out-of-scope for this post. I just wanted to highlight that I'm aware that the design here is lacking and that we're making a shortcut.
It seems that PyPy is not being actively developed anymore and is phased out even by numpy (numpy/numpy#30416). There's no official statement from the project, but the numpy issue is from a PyPy developer. I added a warning to avoid users assuming PyPy properly supported and developed Python distribution.