Added keywords to arguments for new message instance of JointTrajecto…

…ryPoint().

Arguments were previously "in order" but the keyword arguments are recommended as they are more resilient to msg changes.

ur_driver/src/ur_driver/driver.py

@@ -381,7 +381,7 @@ def interp_cubic(p0, p1, t_abs):
         q[i] = a + b*t + c*t**2 + d*t**3
         qdot[i] = b + 2*c*t + 3*d*t**2
         qddot[i] = 2*c + 6*d*t
-    return JointTrajectoryPoint(q, qdot, qddot, rospy.Duration(t_abs))
+    return JointTrajectoryPoint(positions=q, velocities=qdot, accelerations=qddot, time_from_start=rospy.Duration(t_abs))
 
 # Returns (q, qdot, qddot) for sampling the JointTrajectory at time t.
 # The time t is the time since the trajectory was started.