anchor.diff:  ENV MALMO_XSD_PATH /root/Malmo/Schemas
   ENV PYTHONPATH /root/Malmo/Python_Examples
   
  +# add and install malmopy, malmo challenge task and samples
   WORKDIR /root
  -RUN wget https://malmoexperimentsgrp975.blob.core.windows.net/malmo-drop/malmopy-$MALMOPY_VERSION.zip -P malmopy && \
  -    cd malmopy && \
  -    unzip malmopy-$MALMOPY_VERSION.zip && \
  -    rm malmopy-$MALMOPY_VERSION.zip && \
  -    pip install -e '.[all]'+RUN git clone https://github.com/Microsoft/malmo-challenge.git
  +git checkout tags/$MALMOPY_VERSION master
  +
  +WORKDIR /root/malmo-challenge
  +RUN pip install -e '.[all]'
  
positive.code: 
  # Version variables
  ENV MALMO_VERSION 0.21.0
  ENV MALMOPY_VERSION 1.0.0RC1
  
  RUN apt-get update -y && \
      apt-get install -y --no-install-recommends \
  
negative.code:     python-pip \
      python-setuptools \
      cmake \
      ssh \
      git-all \
      zlib1g-dev \
  
      # install Malmo dependencies
  