Fix monkey patchin

base_jsonify/models/models.py

@@ -5,11 +5,16 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from odoo import api, models
-from odoo.exceptions import Warning as UserError
+from odoo.exceptions import UserError
 from odoo.tools.translate import _
 
 
-def __parse_field(parser_field):
+class Base(models.AbstractModel):
+
+    _inherit = 'base'
+
+    @api.model
+    def __parse_field(self, parser_field):
         field_name = parser_field
         subparser = None
         if isinstance(parser_field, tuple):
@@ -55,7 +60,7 @@ def jsonify(self, parser):
         for rec in self:
             res = {}
             for field in parser:
-            field_name, json_key, subparser = __parse_field(field)
+                field_name, json_key, subparser = self.__parse_field(field)
                 field_type = rec._fields[field_name].type
                 if subparser:
                     if field_type in ('one2many', 'many2many'):
@@ -73,6 +78,3 @@ def jsonify(self, parser):
                         res[json_key] = empty_value[field_type]
             result.append(res)
         return result
-
-
-models.Model.jsonify = jsonify