From fd6c910bd98ddec0a5b7d1b73f872fb7fec55241 Mon Sep 17 00:00:00 2001
From: wassname <wassname@users.noreply.github.com>
Date: Wed, 25 Dec 2019 08:08:28 +0800
Subject: [PATCH] similarity fix and comment

---
 story/utils.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/story/utils.py b/story/utils.py
index 5a59fb1..087d435 100644
--- a/story/utils.py
+++ b/story/utils.py
@@ -24,10 +24,11 @@ def console_print(text, width=75):
 
 
 #TODO: get rid if pyjarowinker dependency
+# (AOP) You could use a simpler method, but this has been reported by RebootTech as a much more accurate way to compare strings. It also helps clean up the history. So it will hurt ability to check for looping
 def get_similarity(a, b):
+    if len(a)==0 or len(b)==0: return 1
     return distance.get_jaro_distance(
-                            a, b, winkler=True, scaling = 0.1
-                        )
+                            a, b, winkler=True, scaling = 0.1)
 
 
 def get_num_options(num):