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-rw-r--r--klippy/extras/endstop_phase.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/klippy/extras/endstop_phase.py b/klippy/extras/endstop_phase.py
index 52d88681..58a627cb 100644
--- a/klippy/extras/endstop_phase.py
+++ b/klippy/extras/endstop_phase.py
@@ -3,7 +3,9 @@
# Copyright (C) 2016-2021 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
-import math, logging
+import logging
+import math
+
import stepper
TRINAMIC_DRIVERS = ["tmc2130", "tmc2208", "tmc2209", "tmc2240", "tmc2660", "tmc5160"]