$OpenBSD: patch-setup_py,v 1.1 2019/11/21 12:29:52 edd Exp $

pytest-runner isn't actually required:
https://github.com/neovim/pynvim/issues/417

Index: setup.py
--- setup.py.orig
+++ setup.py
@@ -8,9 +8,7 @@ install_requires = [
     'msgpack>=0.5.0',
 ]
 
-setup_requires = [
-    'pytest-runner'
-]
+setup_requires = []
 
 tests_require = [
     'pytest>=3.4.0',
