From 803703d170344640400f29ef3f5d778207801716 Mon Sep 17 00:00:00 2001
From: John Markese <john.markese@gmail.com>
Date: Tue, 22 Aug 2017 10:29:39 -0500
Subject: [PATCH] Update CartItem.php

Fix fatal error caused by instantiating a null associatedModel.
---
 src/CartItem.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CartItem.php b/src/CartItem.php
index 4e2e328..64e2cf6 100644
--- a/src/CartItem.php
+++ b/src/CartItem.php
@@ -274,7 +274,7 @@ class CartItem implements Arrayable, Jsonable
             return $this->tax * $this->qty;
         }
 
-        if($attribute === 'model') {
+        if($attribute === 'model' && isset($this->associatedModel)) {
             return with(new $this->associatedModel)->find($this->id);
         }