anchor.diff:  
   
   # Spark dependencies
  -ENV APACHE_SPARK_VERSION 2.0.0
  +ENV APACHE_SPARK_VERSION 2.0.1
   RUN apt-get update && apt-get install -yq --no-install-recommends wget
   
   RUN apt-get -y update && \
  
positive.code: # data for examples
  COPY examples/ /tmp/
  
  CMD ["jupyter", "notebook", "--no-browser", "--NotebookApp.ip=0.0.0.0"]
  
negative.code: # Copyright (c) IBM.
  FROM jupyter/base-notebook
  
  RUN pip uninstall -y notebook
  RUN pip install notebook==4.3.0
  
  USER root
  
  