Update my_model/utilities/state_manager.py

my_model/utilities/state_manager.py

@@ -12,10 +12,10 @@ class StateManager:
             st.session_state['images_data'] = {}
         if 'kbvqa' not in st.session_state:
             st.session_state['kbvqa'] = None
-        if "button_lablel" not in st.session_state:
+        if "button_lablel" not in st.session_state: 
             st.session_state['kbvqa'] = "Load Model"
         if "previous_state" not in st.session_state:
-        st.session_state['previous_state'] = None
+            st.session_state['previous_state'] = {}