remove unneeded imports from stageapi

diff --git a/src/add/stageapi.py b/src/add/stageapi.py
index 9217c1fee22445a44b71dd648884c9ad99eaaea4..2b7003c4170323a38e72ad914ecbb475e4a39d5b 100644 (file)
--- a/src/add/stageapi.py
+++ b/src/add/stageapi.py
@@ -73,13 +73,7 @@
     all the optional bits.
 """
 
-from nmigen import Signal, Cat, Const, Mux, Module, Value, Elaboratable
-from nmigen.cli import verilog, rtlil
-from nmigen.hdl.rec import Record
-
 from abc import ABCMeta, abstractmethod
-from collections.abc import Sequence, Iterable
-from collections import OrderedDict
 import inspect
 
 from iocontrol import PrevControl, NextControl