# 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,
from nmigen.cli import main, verilog
-from math import log
from singlepipe import (ControlBase, UnbufferedPipeline, PassThroughStage)
from multipipe import CombMuxOutPipe