Check filter function before adding it on initialization

galaxyproject · Dec 1, 2017 · 39bf781 · 39bf781
1 parent bc24621
commit 39bf781
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/galaxy/tools/toolbox/filters/__init__.py b/lib/galaxy/tools/toolbox/filters/__init__.py
@@ -56,7 +56,8 @@ def __init_filters(self, key, filters, toolbox_filters, validate=None):
         for filter in filters:
             if validate is None or filter in validate or filter in self.default_filters:
                 filter_function = self.build_filter_function(filter)
-                toolbox_filters[key].append(filter_function)
+                if filter_function is not None:
+                    toolbox_filters[key].append(filter_function)
             else:
                 log.warning("Refusing to load %s filter '%s' which is not defined in config", key, filter)
         return toolbox_filters