python311Packages.flask-gravatar: fix flask 3.0 compat

pkgs/development/python-modules/flask-gravatar/default.nix

@@ -1,7 +1,15 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
+
+# build-system
+, setuptools
+
+# dependencies
 , flask
+
+# tests
 , pytestCheckHook
 , pygments
 }:
@@ -17,6 +25,14 @@ buildPythonPackage rec {
     sha256 = "YGZfMcLGEokdto/4Aek+06CIHGyOw0arxk0qmSP1YuE=";
   };
 
+  patches = [
+    (fetchpatch {
+      # flask 3.0 compat
+      url = "https://github.com/zzzsochi/Flask-Gravatar/commit/d74d70d9695c464b602c96c2383d391b38ed51ac.patch";
+      hash = "sha256-tCKkA2io/jhvrh6RhTeEw4AKnIZc9hsqTf2qItUsdjo=";
+    })
+  ];
+
   postPatch = ''
     sed -i setup.py \
      -e "s|tests_require=tests_require,||g" \
@@ -28,6 +44,10 @@ buildPythonPackage rec {
      --replace "--cov=flask_gravatar --cov-report=term-missing" ""
   '';
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   propagatedBuildInputs = [
     flask
   ];
@@ -37,7 +57,9 @@ buildPythonPackage rec {
     pygments
   ];
 
-  pythonImportsCheck = [ "flask_gravatar" ];
+  pythonImportsCheck = [
+    "flask_gravatar"
+  ];
 
   meta = with lib; {
     homepage = "https://github.com/zzzsochi/Flask-Gravatar";