From 8dc8a057bd5b9550c0c2a0b0ccca5a08b1fcfe0d Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Sun, 16 Aug 2020 20:56:20 -0700
Subject: [PATCH] python37Packages.stevedore: fix build

---
 .../python-modules/stevedore/default.nix        | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/python-modules/stevedore/default.nix b/pkgs/development/python-modules/stevedore/default.nix
index 2cb609c3266..418b8bb95ac 100644
--- a/pkgs/development/python-modules/stevedore/default.nix
+++ b/pkgs/development/python-modules/stevedore/default.nix
@@ -1,4 +1,9 @@
-{ stdenv, buildPythonPackage, fetchPypi, pbr, setuptools, six }:
+{ lib, buildPythonPackage, fetchPypi, pythonOlder
+, importlib-metadata
+, pbr
+, setuptools
+, six
+}:
 
 buildPythonPackage rec {
   pname = "stevedore";
@@ -6,14 +11,16 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "38791aa5bed922b0a844513c5f9ed37774b68edc609e5ab8ab8d8fe0ce4315e5";
+    sha256 = "1r8m8g7f13wdmfw5m7k0vj7bcx3psfg5yg2i8jlb08nrpsjily9q";
   };
 
+  propagatedBuildInputs = [ pbr setuptools six ]
+    ++ lib.optionals (pythonOlder "3.8") [ importlib-metadata ];
+
   doCheck = false;
+  pythonImportsCheck = [ "stevedore" ];
 
-  propagatedBuildInputs = [ pbr setuptools six ];
-
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "Manage dynamic plugins for Python applications";
     homepage = "https://pypi.python.org/pypi/stevedore";
     license = licenses.asl20;