revert setup_requires 'cffi', closes #849

Without this line, `pygit2/_libgit2.abi3.so` file is not compiled during set up, what causes slowdown due to fallback to `cffi` in runtime, see #849 Literally is a single line revert of e5e5f26 commit.
libgit2 · Dec 22, 2018 · 989c687 · 989c687
1 parent 7d0ee60
commit 989c687
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/setup.py b/setup.py
@@ -143,6 +143,7 @@ def run(self):
       long_description=long_description,
       packages=['pygit2'],
       package_data={'pygit2': ['decl.h']},
+      setup_requires=['cffi'],
       install_requires=['cffi', 'six', 'pycparser<2.18'],
       zip_safe=False,
       cmdclass=cmdclass,