From 8a6310b916f9e6c781dc7a5ae54c072810b800aa Mon Sep 17 00:00:00 2001
From: Rishav Chourasia <rishav.chourasia@gmail.com>
Date: Fri, 26 Jan 2018 16:20:30 +0530
Subject: [PATCH] Fixed issue #700

---
 search-4e.ipynb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/search-4e.ipynb b/search-4e.ipynb
index c7286c88b..73da69119 100644
--- a/search-4e.ipynb
+++ b/search-4e.ipynb
@@ -825,6 +825,7 @@
     "    def __init__(self, initial, LIFO=False):\n",
     "        \"\"\"Initialize Frontier with an initial Node.\n",
     "        If LIFO is True, pop from the end first; otherwise from front first.\"\"\"\n",
+    "        super(FrontierQ, self).__init__()\n",
     "        self.LIFO = LIFO\n",
     "        self.add(initial)\n",
     "    \n",