[FIX] core: assert _get_func_code code argument

closes odoo/odoo#33682

Signed-off-by: bve-odoo <bve@odoo.com>

odoo/tools/_monkeypatches.py

@@ -2,10 +2,12 @@ import ast
 import os
 import logging
 from shutil import copyfileobj
+from types import CodeType
 
 _logger = logging.getLogger(__name__)
 
 from werkzeug.datastructures import FileStorage
+from werkzeug.routing import Rule
 from werkzeug.wrappers import Request, Response
 
 from .json import scriptsafe
@@ -33,6 +35,14 @@ FileStorage.save = lambda self, dst, buffer_size=1<<20: copyfileobj(self.stream,
 
 Request.json_module = Response.json_module = scriptsafe
 
+get_func_code = getattr(Rule, '_get_func_code', None)
+if get_func_code:
+    @staticmethod
+    def _get_func_code(code, name):
+        assert isinstance(code, CodeType)
+        return get_func_code(code, name)
+    Rule._get_func_code = _get_func_code
+
 orig_literal_eval = ast.literal_eval
 
 def literal_eval(expr):