remove unneeded imports

diff --git a/src/add/fpcommon/prenormalise.py b/src/add/fpcommon/prenormalise.py
index b09591f541750b504edbb40bcb9e18ec7945f9b5..0b3a65cbaef9d833d404ac33c87c3b1b6480152c 100644 (file)
--- a/src/add/fpcommon/prenormalise.py
+++ b/src/add/fpcommon/prenormalise.py
@@ -2,21 +2,15 @@
 # Copyright (C) Jonathan P Dawson 2013
 # 2013-12-12
 
 # Copyright (C) Jonathan P Dawson 2013
 # 2013-12-12
 

-from nmigen import Module, Signal, Cat, Mux, Array, Const
+from nmigen import Module, Signal, Cat,

 from nmigen.lib.coding import PriorityEncoder
 from nmigen.cli import main, verilog
 from math import log
 
 from nmigen.lib.coding import PriorityEncoder
 from nmigen.cli import main, verilog
 from math import log
 

-from fpbase import FPNumIn, FPNumOut, FPOp, Overflow, FPBase, FPNumBase
-from fpbase import MultiShiftRMerge, Trigger
-from singlepipe import (ControlBase, StageChain, UnbufferedPipeline,
-                        PassThroughStage)
-from multipipe import CombMuxOutPipe
-from multipipe import PriorityCombMuxInPipe
+from fpbase import Overflow, FPNumBase
+from fpbase import MultiShiftRMerge

 
 from fpbase import FPState
 
 from fpbase import FPState

-from fpcommon.getop import (FPGetOpMod, FPGetOp, FPNumBase2Ops, FPADDBaseData,                              FPGet2OpMod, FPGet2Op)
-from fpcommon.denorm import (FPSCData, FPAddDeNormMod, FPAddDeNorm)

 
 
 class FPNormaliseModSingle:
 
 
 class FPNormaliseModSingle: