From 65f1bf52be1537cd4b077e0665cb76c462bb013b Mon Sep 17 00:00:00 2001
From: Filipp Lepalaan <filipp@mac.com>
Date: Tue, 20 Oct 2015 21:51:54 +0300
Subject: Give nicer error for invalid environment

---
 gsxws/core.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gsxws/core.py b/gsxws/core.py
index 083efed..17f6556 100644
--- a/gsxws/core.py
+++ b/gsxws/core.py
@@ -278,7 +278,11 @@ class GsxRequest(object):
         "Send the final SOAP message"
         global GSX_ENV, GSX_REGION, GSX_HOSTS, GSX_URL, GSX_TIMEOUT
 
-        self._url = GSX_URL.format(env=GSX_HOSTS[GSX_ENV], region=GSX_REGION)
+        try:
+            self._url = GSX_URL.format(env=GSX_HOSTS[GSX_ENV], region=GSX_REGION)
+        except KeyError:
+            raise GsxError('GSX environment (%s) must be one of: %s' % (GSX_ENV, 
+                ', '.join(GSX_HOSTS.keys())))
 
         logging.debug(self._url)
         logging.debug(xmldata)
-- 
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