added specific check for tuple
added specific check for tuple

lucidfrontier45/ScalaFunctional,EntilZha/ScalaFunctional,ChuyuHsu/ScalaFunctional,lucidfrontier45/ScalaFunctional,EntilZha/ScalaFunctional,EntilZha/PyFunctional,EntilZha/PyFunctional,ChuyuHsu/ScalaFunctional