anchor.diff:      #Fix tornado await process
       pip uninstall -y -q tornado && \
       pip install tornado==5.1.1 && \
  +    pip install ray==0.7.0 && \
  +    pip install psutil && \
  +    pip install aiohttp && \
  +    pip install setproctitle && \
  +    pip install featuretools && \
       python3 -m ipykernel.kernelspec
   
   #spark
  
positive.code: 
  WORKDIR /opt/work
  
  ARG ANALYTICS_ZOO_VERSION=0.7.0-SNAPSHOT
  ARG BIGDL_VERSION=0.9.1
  ARG SPARK_VERSION=2.4.3
  ARG RUNTIME_SPARK_MASTER=local[4]
  ARG RUNTIME_DRIVER_CORES=4
  
negative.code: ENV RUNTIME_EXECUTOR_MEMORY         ${RUNTIME_EXECUTOR_MEMORY}
  ENV RUNTIME_TOTAL_EXECUTOR_CORES    ${RUNTIME_TOTAL_EXECUTOR_CORES}
  ENV SPARK_HOME                      /opt/work/spark-${SPARK_VERSION}
  ENV ANALYTICS_ZOO_HOME              /opt/work/analytics-zoo/dist
  ENV JAVA_HOME                       /opt/jdk
  ENV PATH                            ${JAVA_HOME}/bin:${PATH}
  
  