remove unneeded imports

diff --git a/src/add/fpadd/specialcases.py b/src/add/fpadd/specialcases.py
index 0a08e0dc559b14b57fc3103f03e8385ac43fe6fb..a7855609513e14c64fdf56a4cad19c99c3fb79de 100644 (file)
--- a/src/add/fpadd/specialcases.py
+++ b/src/add/fpadd/specialcases.py
@@ -2,21 +2,16 @@
 # Copyright (C) Jonathan P Dawson 2013
 # 2013-12-12
 
-from nmigen import Module, Signal, Cat, Mux, Array, Const
-from nmigen.lib.coding import PriorityEncoder
+from nmigen import Module, Signal, Cat, Const
 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 FPNumIn
+from singlepipe import UnbufferedPipeline, StageChain
 
 from fpbase import FPState, FPID
 from fpcommon.getop import FPADDBaseData
-from fpcommon.denorm import (FPSCData, FPAddDeNormMod, FPAddDeNorm)
+from fpcommon.denorm import (FPSCData, FPAddDeNormMod)
 
 
 class FPAddSpecialCasesMod: