python311Packages.cepa: pull in patch to fix python 3.11 build

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

···
-{ lib, buildPythonPackage, fetchPypi, python, mock }:
+{ lib
+, buildPythonPackage
+, fetchpatch
+, fetchPypi
+, python
+, mock
+}:
 
 buildPythonPackage rec {
   pname = "cepa";
···
     inherit pname version;
     hash = "sha256-P7xwGsP8ic1/abxYptDXNbAU+kC2Hiwu/Tge0g21ipY=";
   };
+
+  patches = [
+    (fetchpatch {
+      name = "python-3.11-compatibility.patch";
+      url = "https://github.com/onionshare/cepa/commit/0bf9aee7151e65594c532826bb04636e1d80fb6f.patch";
+      hash = "sha256-roSt9N5OvnOOxKZUee86zGXt0AsZCcbBdV2cLz1MB2k=";
+    })
+  ];
 
   postPatch = ''
     rm test/unit/installation.py