PR #7403 from Avishag: Fix for RS5-8921 pyrelsense crash after stopping sensors
PR #7403 from Avishag: Fix for RS5-8921 pyrelsense crash after stopping sensors


IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense