only store non-None session variables

Signed-off-by: F.N. Claessen <[email protected]>
FlexMeasures · Jul 27, 2023 · 129b5d9 · 129b5d9
1 parent 01759da
commit 129b5d9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/flexmeasures/ui/utils/view_utils.py b/flexmeasures/ui/utils/view_utils.py
@@ -117,7 +117,9 @@ def set_session_variables(*var_names: str):
     >>> set_session_variables("event_starts_after", "event_ends_before", "chart_type")
     """
     for var_name in var_names:
-        session[var_name] = request.values.get(var_name)
+        var = request.values.get(var_name)
+        if var is not None:
+            session[var_name] = var
 
 
 def set_time_range_for_session():