scrap the web

I was trying to use the scrap the web snippet

I am getting

java.io.IOException: Process return code is 1
	at com.dataiku.dip.dataflow.exec.AbstractCodeBasedRecipeRunner.execute(AbstractCodeBasedRecipeRunner.java:213)
	at com.dataiku.dip.dataflow.exec.AbstractCodeBasedRecipeRunner.execute(AbstractCodeBasedRecipeRunner.java:196)
	at com.dataiku.dip.dataflow.exec.AbstractPythonRecipeRunner.executeScript(AbstractPythonRecipeRunner.java:29)
	at com.dataiku.dip.recipes.code.PythonRecipeRunner.run(PythonRecipeRunner.java:73)
	at com.dataiku.dip.dataflow.jobrunner.ActivityRunner$FlowRunnableThread.run(ActivityRunner.java:303)