Fix end data issue

app.py

@@ -36,20 +36,13 @@ with st.sidebar:
     on_change=update_end_date  # Callback function to call when this date input changes
     )
 
-    end_date = st.date_input(
-        'End Date',
-        value=st.session_state['end_date'],
-        min_value=st.session_state['start_date'] + timedelta(days=1),
-        key='end_date',
-        help='End Date must be after the Start Date.'
-    )
-
     # Create the end date input widget
     end_date = st.date_input(
         'End Date',
         min_value=st.session_state.start_date + timedelta(days=1),
         value=st.session_state.end_date,
-        key='end_date'  # Link this widget to the end_date in session state
+        key='end_date',  # Link this widget to the end_date in session state
+        help='End Date must be after the Start Date.'
     )
 
     # Preferences multiselect