@Ian Maloney I probably suffers the same, trying to upgrade python from ver 2.6.6 to Anaconda3 Python ver 3.5. This is why I wondered what is the difference between changing zeppelin.pyspark.pythonpath if PYSPARK_PYTHON was already changed in zeppelin-env.sh. What is more and was mentioned by you, should I also change pythonpath in spark-env.sh? I did not change it before. Peter ... View more