python3Packages.pyee: add missing dependency

pkgs/development/python-modules/pyee/default.nix

@@ -1,30 +1,36 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, vcversioner
 , mock
-, pytestCheckHook
 , pytest-asyncio
 , pytest-trio
-, twisted
+, pytestCheckHook
 , pythonOlder
+, twisted
+, typing-extensions
+, vcversioner
 }:
 
 buildPythonPackage rec {
   pname = "pyee";
   version = "9.0.4";
+  format = "setuptools";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-J3DEkoq8ch9GtwXmpysMWUgMSmnJqDygsAu5lPHqSzI=";
+    hash = "sha256-J3DEkoq8ch9GtwXmpysMWUgMSmnJqDygsAu5lPHqSzI=";
   };
 
   buildInputs = [
     vcversioner
   ];
 
+  propagatedBuildInputs = [
+    typing-extensions
+  ];
+
   checkInputs = [
     mock
     pytest-asyncio
@@ -33,7 +39,9 @@ buildPythonPackage rec {
     twisted
   ];
 
-  pythonImportsCheck = [ "pyee" ];
+  pythonImportsCheck = [
+    "pyee"
+  ];
 
   meta = with lib; {
     description = "A port of Node.js's EventEmitter to Python";