[FIX] partner_multi_relation: Fix error on search when leaf is (1, '=', 1)

partner_multi_relation/__manifest__.py

@@ -3,7 +3,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 {
     "name": "Partner relations",
-    "version": "10.0.1.0.0",
+    "version": "10.0.1.0.1",
     "author": "Therp BV,Camptocamp,Odoo Community Association (OCA)",
     "complexity": "normal",
     "category": "Customer Relationship Management",

partner_multi_relation/models/res_partner.py

@@ -143,7 +143,8 @@ class ResPartner(models.Model):
         # pylint: disable=no-value-for-parameter
         date_args = []
         for arg in args:
-            if is_leaf(arg) and arg[0].startswith('search_relation'):
+            if (is_leaf(arg) and isinstance(arg[0], basestring) and
+                    arg[0].startswith('search_relation')):
                 if arg[0] == 'search_relation_date':
                     date_args = []
                     break