python3.pkgs.sphinxcontrib-openapi: switch back to upstream

Upstream incorporated the changes present in the cilium fork into their
repository, and tagged a new release (0.8.0). We can switch back to the
upstream version, rather than the temporary fork.

See #188280 (comment)

pkgs/development/python-modules/sphinxcontrib-openapi/default.nix

@@ -1,7 +1,7 @@
 { lib
 , buildPythonPackage
 , deepmerge
-, fetchFromGitHub
+, fetchPypi
 , fetchpatch
 , isPy27
 , setuptools-scm
@@ -14,23 +14,12 @@
 
 buildPythonPackage rec {
   pname = "sphinxcontrib-openapi";
-  version = "unstable-2022-08-26";
+  version = "0.8.0";
   disabled = isPy27;
 
-  # Switch to Cilums' fork of openapi, which uses m2r instead of mdinclude,
-  # as m2r is unmaintained and incompatible with the version of mistune.
-  # See
-  # https://github.com/cilium/cilium/commit/b9862461568dd41d4dc8924711d4cc363907270b and
-  # https://github.com/cilium/openapi/commit/cd829a05caebd90b31e325d4c9c2714b459d135f
-  # for details.
-  # PR to switch upstream sphinx-contrib/openapi from m2r to sphinx-mdinclude:
-  # https://github.com/sphinx-contrib/openapi/pull/127
-  # (once merged, we should switch away from that fork again)
-  src = fetchFromGitHub {
-    owner = "cilium";
-    repo = "openapi";
-    rev = "0ea3332fa6482114f1a8248a32a1eacb61aebb69";
-    hash = "sha256-a/oVMg9gGTD+NClfpC2SpjbY/mIcZEVLLOR0muAg5zY=";
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-rO1qloTOgU5qVHURMyA6Ug7rC3UOjICqPUiFJ9RsLzA=";
   };
 
   nativeBuildInputs = [ setuptools-scm ];