Crypto 2.4 doesn't play well with setup.py/setuptools

(cherry picked from commit 12cf1674fcd8bf216ec2f12f4ddd111eb8db3514)

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 884476d1..63fde7bb 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ import sys
 try:
     from setuptools import setup
     kw = {
-        'install_requires': 'pycrypto >= 2.1',
+        'install_requires': 'pycrypto >= 2.1, < 2.4',
     }
 except ImportError:
     from distutils.core import setup