Fix singleton error

test_base_fileurl_field/models/res_partner.py

@@ -21,24 +21,32 @@ class ResPartner(models.Model):
 
     @api.constrains("url_file", "url_file_fname")
     def _check_url_file_fname(self):
-        rec = self.search([("url_file_fname", "=", self.url_file_fname)])
+        for rec in self:
-        if len(rec) > 1:
+            match = self.search(
+                [("url_file_fname", "=", rec.url_file_fname), ("id", "!=", rec.id)],
+                limit=1,
+            )
+            if match:
                 raise ValidationError(
                     _(
                         "This file name is already used on an existing record. "
                         "Please use another file name or delete the url_file on :\n"
-                    "Model: %s Id: %s" % (self._name, rec.id)
+                        "Model: %s Id: %s" % (self._name, match.id)
                     )
                 )
 
     @api.constrains("url_image", "url_image_fname")
     def _check_url_image_fname(self):
-        rec = self.search([("url_image_fname", "=", self.url_image_fname)])
+        for rec in self:
-        if len(rec) > 1:
+            match = self.search(
+                [("url_image_fname", "=", rec.url_image_fname), ("id", "!=", rec.id)],
+                limit=1,
+            )
+            if match:
                 raise ValidationError(
                     _(
                         "This file name is already used on an existing record. "
                         "Please use another file name or delete the url_image on :\n"
-                    "Model: %s Id: %s" % (self._name, rec.id)
+                        "Model: %s Id: %s" % (self._name, match.id)
                     )
                 )