flowables.py: fix splitting bug in ImageAndFlowables
flowables.py: fix splitting bug in ImageAndFlowables

kanarelo/reportlab,Distrotech/reportlab,kanarelo/reportlab,Distrotech/reportlab,Distrotech/reportlab,Distrotech/reportlab,kanarelo/reportlab,Distrotech/reportlab,kanarelo/reportlab,kanarelo/reportlab