Ticket #1372: manipulators.py.patch

manipulators.py

@@ -120 +120 @@
                         new_vals = new_data.get(f.name, ())
                     else:
                         new_vals = new_data.getlist(f.name)
-                    was_changed = getattr(new_object, 'set_%s' % f.name)(new_vals)
+                    was_changed = getattr(new_object, f.name).clear()
+                    for n in new_vals:
+                        m = f.rel.to.objects.get(pk=n)
+                        getattr(new_object, f.name).add(m)
+                    # was_changed = getattr(new_object, 'set_%s' % f.name)(new_vals)
                     if self.change and was_changed:
                         self.fields_changed.append(f.verbose_name)