add py-unicorn

python/py-httptools/files/patch-setup.py

@@ -0,0 +1,11 @@
+--- setup.py.orig	2020-02-08 00:30:40 UTC
++++ setup.py
+@@ -44,7 +44,7 @@ class httptools_build_ext(build_ext):
+             return
+ 
+         super().initialize_options()
+-        self.use_system_http_parser = False
++        self.use_system_http_parser = True
+         self.cython_always = False
+         self.cython_annotate = None
+         self.cython_directives = None