only show data featured in the chart in the table

app/rest/pyapi.py

@@ -78,7 +78,7 @@ def get_form(action, method, filter_data, data):
         'group': 2,
         'unit': 3
     }[x])
-    data = data.groupby([
+    data = data[data['$/unit'].apply(lambda x: (x or False) and True)].groupby([
         k for k in keys if k != 'unit'
     ]).size().reset_index()[[
         k for k in keys if k != 'unit'