from nmutil.singlepipe import (StageChain, SimpleHandshake,
PassThroughStage)
-from fpbase import FPState
+from ieee754.fpcommon.fpbase import FPState
from ieee754.fpcommon.denorm import FPSCData
from ieee754.fpcommon.postcalc import FPAddStage1Data
from .align import FPAddAlignSingleMod