Remove whitespace in install_requires to avoid potential setuptools bugs

Fixes #697

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 9e08323d..9fa13d15 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ try:
     from setuptools import setup
     kw = {
         'install_requires': [
-            'pycrypto >= 2.1, != 2.4',
+            'pycrypto>=2.1,!=2.4',
             'ecdsa',
         ],
     }