anchor.diff:  
   #Install pip modules into virtenv
   RUN cd $GRITS_HOME &&\
  -    virtualenv --python=/usr/bin/python3 grits_env &&\
  +    virtualenv --python=/usr/bin/python3.6 grits_env &&\
       source grits_env/bin/activate &&\
  -    #pip install setuptools==34.4.1 &&\
  -    #pip install numpy nose &&\
       cd grits-api &&\
       pip install -r requirements.txt
   
  
positive.code:         libxml2-dev \
          libxslt1-dev \
          libjpeg-dev \
          python-software-properties \
          bsdtar \
      && \
      apt-get clean all
  
negative.code:         build-essential \
          git \
          python-pip \
          python3.6 \
          python3.6-dev \
          cron \
          apache2 \
          g++ \
  