parameters: (self, name, topic, msg_type)
docstring: Init subscriber of specific topic
  
          Args:
              name  (str):  name
              topic (str):  topic name
docstring_summary: Init subscriber of specific topic
docstring_tokens: Init subscriber of specific topic
function: def __init__(self, name, topic, msg_type):
          """Init subscriber of specific topic
  
          Args:
              name  (str):  name
              topic (str):  topic name
          """
          self._name = name
          self._fps = 0
          self._latency = 0
          self._last = None
          self._count = 0
          rospy.Subscriber(topic, msg_type, self._callback)
function_tokens: def __init__ ( self , name , topic , msg_type ) : self . _name = name self . _fps = 0 self . _latency = 0 self . _last = None self . _count = 0 rospy . Subscriber ( topic , msg_type , self . _callback )