Cleaned command groups imports

stretch_core/nodes/command_groups.py

@@ -1,30 +1,7 @@
 #! /usr/bin/env python
 from __future__ import print_function
 
-import yaml
 import numpy as np
-import threading
-import stretch_body.robot as rb
-from stretch_body.hello_utils import ThreadServiceExit
-
-import tf2_ros
-import tf_conversions
-
-import rospy
-from geometry_msgs.msg import Quaternion
-from geometry_msgs.msg import Twist
-from geometry_msgs.msg import TransformStamped
-
-import actionlib
-from control_msgs.msg import FollowJointTrajectoryAction
-from control_msgs.msg import FollowJointTrajectoryResult
-
-from std_srvs.srv import Trigger, TriggerResponse
-
-from nav_msgs.msg import Odometry
-from sensor_msgs.msg import JointState, Imu, MagneticField
-from std_msgs.msg import Header
-
 import hello_helpers.hello_misc as hm
 from hello_helpers.gripper_conversion import GripperConversion