diff --git a/test/__init__.py b/test/__init__.py
index 1118c6e..0640189 100644
--- a/test/__init__.py
+++ b/test/__init__.py
@@ -9,3 +9,4 @@
 sys.path.append(str(Path(__file__).absolute().parent) + "/../src/simulations/perception/point_cloud_rectangle_fitting")
 sys.path.append(str(Path(__file__).absolute().parent) + "/../src/simulations/perception/point_cloud_search")
 sys.path.append(str(Path(__file__).absolute().parent) + "/../src/simulations/perception/point_cloud_search")
+sys.path.append(str(Path(__file__).absolute().parent) + "/../src/simulations/perception/sensor_auto_calibration")
diff --git a/test/test_sensor_auto_calibration.py b/test/test_sensor_auto_calibration.py
index 99244dd..3d75dd5 100644
--- a/test/test_sensor_auto_calibration.py
+++ b/test/test_sensor_auto_calibration.py
@@ -4,11 +4,8 @@
 Author: Shisato Yano
 """
 
-from pathlib import Path
-import sys
 import pytest
 
-sys.path.append(str(Path(__file__).absolute().parent) + "/../src/simulations/perception/sensor_auto_calibration")
 import sensor_auto_calibration