From 1d4c431b23283a844ea9c58f8d53f027b5601f3b Mon Sep 17 00:00:00 2001
From: Ilan Schnell <ilanschnell@gmail.com>
Date: Thu, 31 Jan 2013 17:53:01 -0600
Subject: [PATCH] minor simplification

---
 setup.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index 4ad1b35..839d816 100644
--- a/setup.py
+++ b/setup.py
@@ -60,8 +60,8 @@ macros = [('__STDC_CONSTANT_MACROS', None),
           ('__STDC_LIMIT_MACROS', None)]
 
 def determine_to_use_dynlink(libdir, llvm_version):
-    user_envvar = os.environ.get('LLVMPY_DYNLINK', None)
-    if user_envvar is not None:
+    user_envvar = os.getenv('LLVMPY_DYNLINK')
+    if user_envvar:
         # if users sets LLVMPY_DYNLINK=[0|1]
         # respect the user setting
         print('User sets LLVMPY_DYNLINK to %s' % user_envvar)