From ea262de564f8ab749e47960764a63a4cd7d48df4 Mon Sep 17 00:00:00 2001
From: cclauss <cclauss@bluewin.ch>
Date: Sun, 25 Mar 2018 00:38:34 +0100
Subject: [PATCH] Add deque import to Social Graph solution (#147)

---
 solutions/system_design/social_graph/social_graph_snippets.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/solutions/system_design/social_graph/social_graph_snippets.py b/solutions/system_design/social_graph/social_graph_snippets.py
index f1cc696..8a83f74 100644
--- a/solutions/system_design/social_graph/social_graph_snippets.py
+++ b/solutions/system_design/social_graph/social_graph_snippets.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+from collections import deque
+
 
 class Graph(object):