According to Jetbrains' own surveys, VS Code is indeed growing in popularity - from 7% of Python developers in 2017, to 29% in 2020, while Pycharm remained at about 33%:

https://www.jetbrains.com/research/python-developers-survey-...

https://www.jetbrains.com/research/python-developers-survey-...

https://www.jetbrains.com/lp/python-developers-survey-2019/#...

https://www.jetbrains.com/lp/python-developers-survey-2020/#...