changed __name__ to property from method

oscar/apps/search/views.py

@@ -77,6 +77,7 @@ class MultiFacetedSearchView(FacetedSearchView):
         
         return super(MultiFacetedSearchView, self).__call__(request, *args, **kwargs)
 
+    @property
     def __name__(self):
         return "MultiFacetedSearchView"
 
@@ -94,4 +95,4 @@ class MultiFacetedSearchView(FacetedSearchView):
                     'facet': facet[0][:-6], # removing the _exact suffix that haystack uses for some reason
                     'value' : facet[1].strip('"')
                 })
-        return extra
+        return extra