Add python_requires to help pip

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index bc74107..caaadee 100644
--- a/setup.py
+++ b/setup.py
@@ -27,6 +27,7 @@ setup(
     test_suite='nose.collector',
     url='https://github.com/erikrose/blessings',
     include_package_data=True,
+    python_requires='>=2.6, !=3.0.*, !=3.1.*, !=3.2.*',
     classifiers=[
         'Intended Audience :: Developers',
         'Natural Language :: English',