fix build

example/setup.py

-from setuptools import setup, find_packages
+from setuptools import setup
 
 from snakehouse import Multibuild, build
 from setuptools import Extension
@@ -9,7 +9,7 @@ cython_multibuilds = [
     Multibuild('example_module', ['example_module/test.pyx', 'example_module/test2.pyx',
                                   'example_module/test3/test3.pyx',
                                   'example_module/test_n.c']),
-    Extension('example', ['example2/example.pyx'])
+    Extension('example2.example', ['example2/example.pyx'])
 ]
 
 # first argument is used directly by snakehouse, the rest and **kwargs are passed to

example/tests/test_test.py

 from example_module.test import times_two
 from example_module.test2 import times_three, times_five
 from example_module.test3.test3 import times_four
-from example.example2 import test
+from example2.example import test
 import unittest