python310Packages:flask-sqlalchemy: add changelog to meta

- add pythonImportsCheck
- normalize pname

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

@@ -9,12 +9,13 @@
 }:
 
 buildPythonPackage rec {
-  pname = "Flask-SQLAlchemy";
+  pname = "flask-sqlalchemy";
   version = "3.0.2";
   format = "pyproject";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "Flask-SQLAlchemy";
+    inherit version;
     hash = "sha256-FhmfWz3ftp4N8vUq5Mdq7b/sgjRiNJ2rshobLgorZek=";
   };
 
@@ -39,9 +40,14 @@ buildPythonPackage rec {
     "test_persist_selectable"
   ];
 
+  pythonImportsCheck = [
+    "flask_sqlalchemy"
+  ];
+
   meta = with lib; {
     description = "SQLAlchemy extension for Flask";
     homepage = "http://flask-sqlalchemy.pocoo.org/";
+    changelog = "https://github.com/pallets-eco/flask-sqlalchemy/blob${version}/CHANGES.rst";
     license = licenses.bsd3;
     maintainers = with maintainers; [ gerschtli ];
   };