From d8a589c33f750796aeb36fa4de100a4587911643 Mon Sep 17 00:00:00 2001
From: Patrick McDonagh <pmcdonagh@henry-pump.com>
Date: Mon, 6 Jun 2016 20:43:30 -0500
Subject: [PATCH] Device Types not being found before accessing

---
 dataLogger.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dataLogger.py b/dataLogger.py
index 434f0ad..313b27e 100644
--- a/dataLogger.py
+++ b/dataLogger.py
@@ -240,9 +240,10 @@ def evalTapers():
 
 
 def main():
-    global main_plc
+    global main_plc, device_types
 
     readConfig()
+    device_types = getDeviceTypes()
     if setupTags():
         pass
     else: