Fix stack cleanup in torch_istensorarray
Fix stack cleanup in torch_istensorarray

colesbury/torch7,szagoruyko/torch7,diz-vara/torch7,colesbury/torch7,Moodstocks/torch7,adamlerer/torch7,diz-vara/torch7,Moodstocks/torch7,szagoruyko/torch7,adamlerer/torch7