pi@pi1:~/DEV/CVDEV $ ./cvStart
Traceback (most recent call last):
  File "./jmTest.py", line 16, in <module>
    import picamera
  File "/home/pi/DEV/VENV_OPENCV_PYTHON3_8/lib/python3.8/site-packages/picamera/__init__.py", line 72, in <module>
    from picamera.exc import (
  File "/home/pi/DEV/VENV_OPENCV_PYTHON3_8/lib/python3.8/site-packages/picamera/exc.py", line 41, in <module>
    import picamera.mmal as mmal
  File "/home/pi/DEV/VENV_OPENCV_PYTHON3_8/lib/python3.8/site-packages/picamera/mmal.py", line 47, in <module>
    from .bcm_host import VCOS_UNSIGNED
  File "/home/pi/DEV/VENV_OPENCV_PYTHON3_8/lib/python3.8/site-packages/picamera/bcm_host.py", line 451, in <module>
    vc_dispmanx_element_add.argtypes = [DISPMANX_UPDATE_HANDLE_T, DISPMANX_DISPLAY_HANDLE_T, ct.c_int32, ct.POINTER(VC_RECT_T), DISPMANX_RESOURCE_HANDLE_T, ct.POINTER(VC_RECT_T), DISPMANX_PROTECTION_T, VC_DISPMANX_ALPHA_T, DISPMANX_CLAMP_T, DISPMANX_TRANSFORM_T]
TypeError: item 9 in _argtypes_ passes a union by value, which is unsupported.