Refactorings Code and Adding Node Filter

netbone/filters.py

@@ -46,6 +46,10 @@ def fraction_filter(backbone, value, narrate=True, secondary_property='weight',
 
     value = math.ceil(value * len(data))
 
+    if backbone.filter_on == 'Nodes':
+        secondary_property = None
+        secondary_property_ascending = None
+
     if fraction_filter in backbone.compatible_filters():
         data = data.sort_values(by=[column, secondary_property], ascending=[ascending, secondary_property_ascending])