remove redundant imports

diff --git a/src/ieee754/fcvt/upsize.py b/src/ieee754/fcvt/upsize.py
index b96ff0e565a2581f2dfa3eb696b8b5dc9025d8c4..d8b9127e3cdffe6a89934e321656818fda456909 100644 (file)
--- a/src/ieee754/fcvt/upsize.py
+++ b/src/ieee754/fcvt/upsize.py
@@ -8,30 +8,9 @@ import functools
 from nmigen import Module, Signal, Cat, Const, Mux, Elaboratable
 from nmigen.cli import main, verilog
 
-from nmutil.singlepipe import ControlBase
-from nmutil.concurrentunit import ReservationStations, num_bits
-
-from ieee754.fpcommon.fpbase import Overflow
 from ieee754.fpcommon.getop import FPADDBaseData
-from ieee754.fpcommon.pack import FPPackData
-from ieee754.fpcommon.normtopack import FPNormToPack
 from ieee754.fpcommon.postcalc import FPAddStage1Data
-from ieee754.fpcommon.msbhigh import FPMSBHigh
-from ieee754.fpcommon.exphigh import FPEXPHigh
-
-
-from nmigen import Module, Signal, Elaboratable
-from math import log
-
-from ieee754.fpcommon.fpbase import FPNumIn, FPNumOut, FPNumBaseRecord
-from ieee754.fpcommon.fpbase import FPState, FPNumBase
-from ieee754.fpcommon.getop import FPPipeContext
-
 from ieee754.fpcommon.fpbase import FPNumDecode, FPNumBaseRecord
-from nmutil.singlepipe import SimpleHandshake, StageChain
-
-from ieee754.fpcommon.fpbase import FPState
-from ieee754.pipeline import PipelineSpec
 
 
 class FPCVTUpConvertMod(Elaboratable):