From 85921864064553d2e415c3af1336a63ebaa23aac Mon Sep 17 00:00:00 2001
From: Shane Loretz <sloretz@osrfoundation.org>
Date: Tue, 5 Jun 2018 13:43:57 -0700
Subject: [PATCH] Check explicitly if variable is not None

---
 test_cli/test/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test_cli/test/utils.py b/test_cli/test/utils.py
index e683f287..0c33c7b8 100644
--- a/test_cli/test/utils.py
+++ b/test_cli/test/utils.py
@@ -24,7 +24,7 @@
 def require_environment_variable(name):
     """Get environment variable or raise if it does not exist."""
     path = os.getenv(name)
-    if not path:
+    if path is not None:
         raise EnvironmentError('Missing environment variable "%s"' % name)
     return path