[GitHub] incubator-spark pull request: Added extra description on ValueErro...

[jyotiska]

Github user jyotiska commented on the pull request:

    https://github.com/apache/incubator-spark/pull/581#issuecomment-34804481
  
    I have used the _extract_concise_traceback to print the callsite of 
existing SparkContext. I guess this is what you had in mind.