anchor.diff: -FROM ubuntu
  +FROM python:3.8
   
   ARG DEBIAN_FRONTEND=noninteractive
   
  
positive.code: 
  RUN apt clean
  
  RUN pip3 install numpy
  
  RUN pip3 install jupyterlab
  
  RUN pip3 install mayavi
  
  RUN pip3 install ipyevents
  
  RUN pip3 install Pillow
  
  RUN pip3 install xvfbwrapper
  
  RUN pip3 install pymeshlab
  
  RUN jupyter nbextension install mayavi --py --sys-prefix
  
  
negative.code:     git \
      wget \
      dumb-init
  
  #RUN apt update && \
  #    apt install -y  --no-install-recommends \
  #    python3.8
  #
  #RUN apt update && \
  #    apt install -y  --no-install-recommends \
  #    python3-dev
  #
  #RUN apt update && \
  #    apt install -y  --no-install-recommends \
  #    python3-pip \
  #    python3-setuptools \
  #    python3-wheel
  
  RUN apt update && \
      apt install -y  --no-install-recommends \
  