Add deque import to Social Graph solution (donnemartin#147)

Godfrey-Ndungu · Mar 24, 2018 · 7e316ce · 7e316ce
1 parent d90b562
commit 7e316ce
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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):