Minor cleanup

src/active_grasp/nbv.py

@@ -4,7 +4,6 @@ import numpy as np
 import rospy
 
 from .policy import MultiViewPolicy
-
 from .timer import Timer
 
 

src/active_grasp/policy.py

@@ -4,14 +4,14 @@ from pathlib import Path
 import rospy
 from trac_ik_python.trac_ik import IK
 
-
-from .timer import Timer
-from .rviz import Visualizer
 from robot_helpers.ros import tf
 from robot_helpers.ros.conversions import *
 from vgn.detection import *
 from vgn.perception import UniformTSDFVolume
 
+from .timer import Timer
+from .rviz import Visualizer
+
 
 def solve_ik(q0, pose, solver):
     x, y, z = pose.translation