Error when build the project about rt-motion-detection-opencv-python HOT 2 CLOSED

# Please note the source for this is open source and is located
# at the following location -- https://github.com/bwsw/rt-motion-detection-opencv-python
FROM ubuntu:21.04
RUN apt-get update
RUN DEBIAN_FRONTEND="noninteractive" apt-get -y install tzdata
RUN apt-get install -y python3.9-dev python3-pip gcc make pkg-config
RUN apt-get install -y ffmpeg libsm6 libxext6
RUN pip3 install opencv-python==4.5.1.48
ADD ./rt-motion-detection-opencv-python-master /app/motion-detection/
RUN pip3 install -r /app/motion-detection/requirements.txt
RUN ln -s /usr/local/lib/python3.9/dist-packages/numpy/core/include/numpy/ /usr/include/numpy
ENV OPENCV_FFMPEG_CAPTURE_OPTIONS="rtsp_transport;0"
RUN cd /app/motion-detection/ && python3 setup.py build
ENTRYPOINT ["python3", "./motion-detection/sample.py"]