Respawn point

So i have made myself a respawn script,problem is that when i trigger it ,my player jumps to that position locks in place,and it takes some seconds before it gets freed. here's the code i put togheter;

 using UnityEngine;
 using System.Collections;
 
 public class IFIHADACAT : MonoBehaviour {
     public Vector3 spawnpoint;
     public float life;
     public bool respawn;
     public Vector3 checkpoint;
 
     // Use this for initialization
     void Start () {
         life = 1;
         respawn = false;
     }
     void RespawnPlayer () {
         transform.position = spawnpoint;
     }
     void OnCollision2D (Collider2D col){
         if (col.gameObject.tag == "CheckPoint")
             spawnpoint = checkpoint;
     }
     
     // Update is     called once per frame
     void Update () {
         if (life == 0) {
             respawn = true;
         }
         if (respawn) {
             StartCoroutine (riperino ());
         }
     }
     IEnumerator riperino() {
         Debug.Log ("ded");
 
         yield return new WaitForSeconds (4);
         Debug.Log ("ugh,you again?");
         RespawnPlayer ();
         respawn = false;
 
     }
 
 }
 

P.s. i also want to move my spawn point to my check point but i don't know why it doesn't work.Thanks in advance.