From 7737832bf3d657240ebe485335148ff448b84ca6 Mon Sep 17 00:00:00 2001
From: Steve Pulec <spulec@gmail.com>
Date: Thu, 29 Mar 2018 10:08:39 -0400
Subject: [PATCH] Fix bug adding None TTL to route53 responses.

---
 moto/route53/models.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/moto/route53/models.py b/moto/route53/models.py
index af8bb690..d483d22e 100644
--- a/moto/route53/models.py
+++ b/moto/route53/models.py
@@ -140,7 +140,9 @@ class RecordSet(BaseModel):
                 {% if record_set.region %}
                     <Region>{{ record_set.region }}</Region>
                 {% endif %}
-                <TTL>{{ record_set.ttl }}</TTL>
+                {% if record_set.ttl %}
+                    <TTL>{{ record_set.ttl }}</TTL>
+                {% endif %}
                 <ResourceRecords>
                     {% for record in record_set.records %}
                     <ResourceRecord>