anchor.diff:  RUN npm install && npm cache clear --force
   
   COPY requirements.txt /usr/src/app/
  -RUN pip install --no-cache-dir -r requirements.txt
  +RUN pip install -r requirements.txt
   
   COPY . /usr/src/app
   RUN node_modules/.bin/webpack -p \
  -    && pip install --no-cache-dir -e .
  +    && pip install -e .
   
   ENV WORKSPACE_ROOT /workspace
   RUN mkdir -p $WORKSPACE_ROOT
  
positive.code: FROM python:3.7.3
  
  # pip 9.1 breaks everything
  ENV PYTHON_PIP_VERSION 9.0.3
  RUN pip install --no-cache-dir "pip==$PYTHON_PIP_VERSION"
  
  ENV PIP_DISABLE_PIP_VERSION_CHECK on
  
  RUN set -ex \
      \
  
negative.code:     wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \
      \
      python2 get-pip.py \
          "pip==$PYTHON_PIP_VERSION" \
      ; \
      pip2 --version; \
  