title: Pyspark execution issue
body: <p>when I am trying to run pyspark script it gives me following error</p>
  
  <pre><code>(base)  spark-submit SparkLinearRegression.py 
  20/05/05 06:52:01 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
  Traceback (most recent call last):
    File "/Users/koke/anaconda3/bin/jupyter", line 10, in &lt;module&gt;
      sys.exit(main())
    File "/Users/koke/anaconda3/lib/python3.7/site-packages/jupyter_core/command.py", line 230, in main
      command = _jupyter_abspath(subcommand)
    File "/Users/koke/anaconda3/lib/python3.7/site-packages/jupyter_core/command.py", line 133, in _jupyter_abspath
      'Jupyter command `{}` not found.'.format(jupyter_subcommand)
  Exception: Jupyter command `jupyter-/Users/koke/Data/MLCourse/SparkLinearRegression.py` not found.
  log4j:WARN No appenders could be found for logger (org.apache.spark.util.ShutdownHookManager).
  log4j:WARN Please initialize the log4j system properly.
  log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
  </code></pre>
  
  <p>I have changed to java8 instead of java10 as default jdk in bash_profile, didn't work.
  Please help..</p>