diff -up ./setup.py.orig ./setup.py
--- ./setup.py.orig 2017-07-02 22:17:54.301963250 +0200
+++ ./setup.py 2017-07-02 22:35:20.420699087 +0200
@@ -472,7 +472,6 @@ setup(
"Operating System :: Unix",
],
zip_safe = False,
- setup_requires=['setuptools_git'],
tests_require=['pytest', 'unittest2'],
ext_modules = ext_modules(),