Update app.py

app.py

@@ -328,13 +328,13 @@ def show_field(f: Field, index: int, data_collected):
                                  value=value, help=f.help)
             case 'multiselect':
                 choices = default_choices if not f.other_params.get('choices') else f.other_params.get('choices')
-                selected_values = st.session_state[key] if key in st.session_state else \
-                    (data_collected[f.name] if data_collected else [])
-                st.session_state[key] = st.multiselect(f.title,
-                                options = choices,
+                selected_values = st.session_state.get(key, data_collected.get(f.name, []))
+                selected_values = st.multiselect(f.title,
+                                options = choices, default=selected_values,
                                 format_func=lambda x: x,
                                 key=key, max_selections=3,
                                 help=f.help)
+                st.session_state[key] = selected_values
             case 'likert_radio':
                 labels = default_labels if not f.other_params.get('labels') else f.other_params.get('labels')
                 st.radio(f.title,