1 files changed, 12 insertions, 5 deletions
diff --git a/setup.py b/setup.py
index 460651cfd..a52d90555 100644
--- a/setup.py
+++ b/setup.py
@@ -9,9 +9,16 @@
 
 # pylint: disable=missing-docstring
 
-from setuptools import setup
+import setuptools
 
-setup(
-    setup_requires=['pbr>=1.9', 'setuptools>=17.1'],
-    pbr=True,
-)
+# In python < 2.7.4, a lazy loading of package `pbr` will break
+# setuptools if some other modules registered functions in `atexit`.
+# solution from: http://bugs.python.org/issue15881#msg170215
+try:
+    import multiprocessing  # noqa
+except ImportError:
+    pass
+
+setuptools.setup(
+    setup_requires=['pbr>=1.8'],
+    pbr=True)