Sounds like you have no idea what are you talking about. It was exactly Python project I've recently completely rearchitected, rewrote and greatly improved. Client can't thank me enough as it performs hundreds of times better than the old one. And from what the client told it was developed in less time than the original Python version.

In general I use multiple languages including Python. I just do not see anything in Python that noticeably speeds up development of big and complex projects vs modern C++ ( or any other decent language for that matter ).

You just have to know what are you doing. Language is secon