Execute: 725 No cameras available

Hello, first time using Jetson nano developer kit 2GB to connect with a camera from df Robot

I used “cheese” to open the camera and the camera works well on that, but while I was using cv2 in python, it showed the error code:
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:725 No cameras available

Thank you

It looks to be a USB amera. Please check Jetson Nano FAQ

Q: I have a USB camera. How can I launch it on Jetson Nano?

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