Python3 is not working

1.Which seller did you purchase the product(s) from?
Other Arducam Distributor (Tokopedia)
2.The Model number of the product(s) you have purchased?
3.Which Platform are you using the product(s) on?
Raspberry Pi 4B
4.Which instruction are you following?
5.Has your product ever worked properly?
never worked
6.What problems are you experiencing?
i have tried just like the tutorial but for the 2nd step it was error and appeared message “ValueError : NULL pointer access”. i’m using 8MP Stereo type camera module for Raspberry Pi, can you explain the reasons ? thank you.
7.What attempts at troubleshooting have you already made?
ask a friend
8.How would you like us to help you?
show the solutions troubleshooting properly

Hi @AldifaJulian

Please try to use arducamstill under MIPI_Camera to confirm whether the camera can work normally.
For more details, please refer to this post: