From ba53500166a85dedb21c8235152c0874bcc6d856 Mon Sep 17 00:00:00 2001
From: Eric Renfro <psi-jack@linux-help.org>
Date: Wed, 8 May 2019 18:51:06 -0400
Subject: [PATCH] Trying to fix documentation url template

---
 prometheus/files/exporter.systemd.jinja | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/prometheus/files/exporter.systemd.jinja b/prometheus/files/exporter.systemd.jinja
index 9d3a893..a1d7c2f 100644
--- a/prometheus/files/exporter.systemd.jinja
+++ b/prometheus/files/exporter.systemd.jinja
@@ -1,6 +1,6 @@
 [Unit]
 Description=Prometheus {{ svc }} Exporter
-{%- if url is string %}
+{%- if url is string and url is not None %}
 Documentation={{ url }}
 {%- endif %}
 Wants=basic.target