  MarkupSafe==0.23
  nose==1.3.7
  pyzmq==14.7.0
  tornado==4.2
  zmq==0.0.0
 
</s> remove ipython==3.2.0
 </s> add ipython==3.2.1
  MarkupSafe==0.23
  nose==1.3.7
  pyzmq==14.7.0
  tornado==4.2

keep keep keep keep replace
 fixing the requirements based on running 'pip install "ipython[notebook]"' 
requirements.txt