Issue in RPI4 Using full 64bits image: OSError: libmmal.so: cannot open shared object file: No such file or directory

[neuberfran]

Hi,

How to solve this issue(pls)?:

~/Desktop/PiCameraApp-master/Source $ python3 PiCameraApp.py
Traceback (most recent call last):
File "/home/neuberfran/Desktop/PiCameraApp-master/Source/PiCameraApp.py", line 38, in
from AnnotationOverlay import *
File "/home/neuberfran/Desktop/PiCameraApp-master/Source/AnnotationOverlay.py", line 61, in
import picamera
File "/usr/local/lib/python3.9/dist-packages/picamera/init.py", line 72, in
from picamera.exc import (
File "/usr/local/lib/python3.9/dist-packages/picamera/exc.py", line 41, in
import picamera.mmal as mmal
File "/usr/local/lib/python3.9/dist-packages/picamera/mmal.py", line 49, in
_lib = ct.CDLL('libmmal.so')
File "/usr/lib/python3.9/ctypes/init.py", line 374, in init
self._handle = _dlopen(self._name, mode)
OSError: libmmal.so: cannot open shared object file: No such file or directory