I am using PySpark(v.2.1.0) in iPython notebook (python v.3.6) over virtualenv in my Mac(Sierra 10.12.3 Beta).
1.I launched iPython notebook by shooting this in Ter
Pyspark 2.1.0 is not compatible with python 3.6, see https://issues.apache.org/jira/browse/SPARK-19019.
You need to use earlier python version or you can try building master or 2.1 branch from github and it should work.