1 files changed, 8 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index a84dd400..03ea2988 100644
--- a/setup.py
+++ b/setup.py
@@ -9,6 +9,14 @@
 
 import setuptools
 
+# 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==2.0.0'],
     pbr=True)