[SW-1501][FollowUp] Check the case of JAR being attached prior the start of PySparkling (#1433)
[SW-1501][FollowUp] Check the case of JAR being attached prior the start of PySparkling (#1433)

h2oai/sparkling-water,h2oai/sparkling-water,h2oai/sparkling-water,h2oai/sparkling-water