LIST_STRIP rospy not working

markers.py

def links():
  global lcount, lkey
  link = Marker()
  link.header.frame_id = "/myframe"
  link.type = Marker.LINE_STRIP
  link.action = Marker.ADD
  link.scale.x = 0.2
  link.scale.y = 0.2
  link.scale.z = 0.2
  link.color.a = 1.0
  link.color.r = 0.0
  link.color.g = 1.0
  link.color.b = 0.0
  link.pose.orientation.w = 1.0
  link.pose.position.x = p[lkey][0]
  link.pose.position.y = p[lkey][1] 
  link.pose.position.z = p[lkey][2]
  if(lcount > MARKERS_MAX):
    linkArray.markers.pop(0)

  linkArray.markers.append(link)

  # Renumber the marker IDs
  id = 0
  for ml in linkArray.markers:
    ml.id = id
    id += 1

  # Publish the MarkerArray
  link_publisher.publish(linkArray)

  lcount += 1
  lkey += 1
  if lkey == 3:
    lkey = 0