refactor vex._util.io.replace_stdin imports

tests/IQ/Gen2/Brain/Battery/battery_test.py

@@ -1,7 +1,7 @@
 import unittest
 
 from vex import Brain
-from ..io_utils import replace_stdin
+from vex_util.io import replace_stdin
 
 
 class TestBrainBattery(unittest.TestCase):

tests/IQ/Gen2/Brain/Inertial/inertial_sensor_test.py

@@ -4,7 +4,7 @@
 from vex import DEGREES, VelocityUnits
 from vex._common_enums.axis import XAXIS, YAXIS, ZAXIS
 from vex._common_enums.orientation import PITCH, ROLL, YAW
-from ..io_utils import replace_stdin
+from vex_util.io import replace_stdin
 
 
 class TestInertialSensor(unittest.TestCase):

tests/IQ/Gen2/Brain/Timer/timer_test.py

@@ -1,7 +1,7 @@
 import unittest
 
 from vex import Brain, SECONDS
-from ..io_utils import replace_stdin
+from vex_util.io import replace_stdin
 
 
 class TestBrainTimer(unittest.TestCase):

tests/IQ/Gen2/Color-Sensor/color_test.py

@@ -1,7 +1,7 @@
 import unittest
 
 from vex import ColorSensor, ColorHue, Ports
-from ..io_utils import replace_stdin
+from vex_util.io import replace_stdin
 
 
 class TestColorSensor(unittest.TestCase):

tests/IQ/Gen2/Distance-Sensor/distance_sensor_test.py

@@ -1,7 +1,7 @@
 import unittest
 
 from vex import Distance, ObjectSizeType, Ports, MM
-from ..io_utils import replace_stdin
+from vex_util.io import replace_stdin
 
 
 class TestDistanceSensor(unittest.TestCase):

tests/IQ/Gen2/DriveTrain/drivetrain_test.py

@@ -2,7 +2,7 @@
 
 from vex import DriveTrain
 from vex import Motor, Ports, DEGREES, PERCENT, FORWARD, REVERSE, MM, LEFT, CurrentUnits
-from .io_utils import replace_stdin
+from vex._util.io import replace_stdin
 
 
 class TestDriveTrain(unittest.TestCase):

tests/IQ/Gen2/Gyro-Sensor/gyro_sensor_test.py

@@ -1,7 +1,7 @@
 import unittest
 
 from vex import Gyro, GyroCalibrationType, DEGREES, Ports
-from ..io_utils import replace_stdin
+from vex._util.io import replace_stdin
 
 
 class TestGyroSensor(unittest.TestCase):

tests/IQ/Gen2/Optical-Sensor/optical_sensor_test.py

@@ -5,7 +5,7 @@
     LedStateType, GestureType, ColorHue,
     PERCENT,
 )
-from ..io_utils import replace_stdin
+from vex._util.io import replace_stdin
 
 
 def callback_func():