do not install tests

Author: merwok

setup.py

@@ -17,7 +17,7 @@ def read(fname):
     maintainer='Maxim Sukharev',
     maintainer_email='[email protected]',
     license='BSD',
-    packages=find_packages(),
+    packages=find_packages(exclude=['tests']),
     include_package_data=True,
     classifiers=[
         'Development Status :: 5 - Production/Stable',