versioneer is not required for setup

setup.py

@@ -36,7 +36,7 @@ setup(name='postpic',
       ext_modules = cythonize("postpic/particles/_particlestogrid.pyx"),
       include_dirs = [numpy.get_include()],
       license='GPLv3+',
-      setup_requires=['cython>=0.18', 'numpy>=1.8', 'versioneer'],
+      setup_requires=['cython>=0.18', 'numpy>=1.8'],
       install_requires=['matplotlib>=1.3', 'numpy>=1.8', 'scipy', 'future', 'urllib3', 'numexpr',
                         'cython>=0.18', 'functools32;python_version<"3.0"', 'pyvtk'],
       extras_require = {