anchor.diff:          mysqlclient==1.3.7 \
           psycopg2==2.6.1 \
           pyathena==1.2.5 \
  +        pybigquery==0.4.10 \
           pyhive==0.5.1 \
           pyldap==2.4.28 \
           pymssql==2.1.3 \
  -        pybigquery==0.4.10 \
           redis==2.10.5 \
           sqlalchemy-clickhouse==0.1.5.post0 \
           sqlalchemy-redshift==0.7.1 \
  -        superset==${SUPERSET_VERSION} && \
  -    rm requirements.txt
  +        werkzeug==0.14.1 && \
  +    pip install superset==${SUPERSET_VERSION}
   
   # Configure Filesystem
   COPY superset /usr/local/bin
  
positive.code:     rm -r /var/lib/apt/lists/* && \
      curl https://raw.githubusercontent.com/${SUPERSET_REPO}/${SUPERSET_VERSION}/requirements.txt -o requirements.txt && \
      pip install --no-cache-dir -r requirements.txt && \
      pip install --no-cache-dir \
          Werkzeug==0.14.1 \
          flask-cors==3.0.3 \
          flask-mail==0.9.1 \
          flask-oauth==0.12 \
  
negative.code:         build-essential \
          curl \
          default-libmysqlclient-dev \
          freetds-bin \
          freetds-dev \
          libffi-dev \
          libldap2-dev \
          libpq-dev \
  