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I tried lots of combinations of versions but never got anything to work.
Eventually used the standard video library, but on realising I couldn't easily use a neopixel and processing at the same time swapped to python.
It's for an interactive nft artwork project controlled through a window and projected onto 7 screens on the side of a building.
rj
Maybe you've installed the wrong version of the library? https://raspberrypi.stackexchange.com/a/108237