Fix bug when fetching partial versions data grid

e.g. when requesting new page of data

tailbone/views/master.py

@@ -1243,6 +1243,7 @@ class MasterView(View):
         instance = self.get_instance()
         instance_title = self.get_instance_title(instance)
         grid = self.make_version_grid(instance=instance)
+        use_buefy = self.get_use_buefy()
 
         # return grid only, if partial page was requested
         if self.request.params.get('partial'):