title: in pyspark > why SparkSession with "master('local')" need internet connection?
body: <p>I am new with pyspark .</p>
  <p>I want to know why SparkSession with   <code>master('local')</code> need internet connection?
  I thougut that it should run the code only in my local computer.</p>
  <pre><code>spark = SparkSession.builder 
     .master('local[8]') 
     .appName('myAppName') 
     .getOrCreate()
  
   
  </code></pre>
  <p>and what happend if I dont close the session before I turned off the computer?</p>