From 9da28aa6f3e14b723b4ef401d1918d3c64e0d749 Mon Sep 17 00:00:00 2001
From: Anthony Johnson <aj@ohess.org>
Date: Sun, 12 Jul 2015 12:30:07 -0700
Subject: [PATCH] Fix environment call for failing tests

---
 autoapi/mappers/dotnet.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/autoapi/mappers/dotnet.py b/autoapi/mappers/dotnet.py
index 3e78732..eaca467 100644
--- a/autoapi/mappers/dotnet.py
+++ b/autoapi/mappers/dotnet.py
@@ -32,7 +32,8 @@ class DotNetSphinxMapper(SphinxMapperBase):
                     stdout=subprocess.PIPE,
                     stderr=subprocess.PIPE,
                     env=dict((key, os.environ[key])
-                              for key in ['PATH', 'DNX_PATH', 'HOME']))
+                             for key in ['PATH', 'DNX_PATH', 'HOME']
+                             if key in os.environ))
                 _, error_output = proc.communicate()
                 if error_output:
                     self.app.warn(error_output)