less nesting

common/kalman/.gitignore

@@ -1 +0,0 @@
-simple_kalman_impl.c

common/tests/test_simple_kalman.py

@@ -1,6 +1,6 @@
 import unittest
 
-from openpilot.common.kalman.simple_kalman import KF1D
+from openpilot.common.simple_kalman import KF1D
 
 
 class TestSimpleKalman(unittest.TestCase):

release/files_common

@@ -24,9 +24,6 @@ common/__init__.py
 common/*.py
 common/*.pyx
 
-common/kalman/.gitignore
-common/kalman/*
-
 common/transformations/__init__.py
 common/transformations/camera.py
 common/transformations/model.py

selfdrive/car/interfaces.py

@@ -8,7 +8,7 @@ from typing import Any, Dict, Optional, Tuple, List, Callable
 from cereal import car
 from openpilot.common.basedir import BASEDIR
 from openpilot.common.conversions import Conversions as CV
-from openpilot.common.kalman.simple_kalman import KF1D, get_kalman_gain
+from openpilot.common.simple_kalman import KF1D, get_kalman_gain
 from openpilot.common.numpy_fast import clip
 from openpilot.common.realtime import DT_CTRL
 from openpilot.selfdrive.car import apply_hysteresis, gen_empty_fingerprint, scale_rot_inertia, scale_tire_stiffness, STD_CARGO_KG

selfdrive/controls/radard.py

@@ -11,7 +11,7 @@ from openpilot.common.params import Params
 from openpilot.common.realtime import Ratekeeper, Priority, config_realtime_process
 from openpilot.common.swaglog import cloudlog
 
-from openpilot.common.kalman.simple_kalman import KF1D
+from openpilot.common.simple_kalman import KF1D
 
 
 # Default lead acceleration decay set to 50% at 1s