Enhance user interaction in app.py by implementing a form for selecting variables to remove from lineups. This change allows users to apply their selections more intuitively, improving the overall lineup management experience.

app.py

@@ -1302,7 +1302,12 @@ with tab2:
                     for col in st.session_state['working_frame'].columns:
                         if col not in excluded_cols:
                             player_names.update(st.session_state['working_frame'][col].unique())
-                    st.write(st.selectbox("Remove: ", options=['Players', 'Stacks'], key='conditional_var_1'), "if lineup ", st.selectbox("contains: ", options=['Players', 'Stacks'], key='conditional_var_2'))
+                    with st.form(key='conditional_manager_form_2'):
+                        conditional_var_1 = st.selectbox("Remove variable: ", options=['Players', 'Stacks'], key='conditional_var_1')
+                        conditional_var_2 = st.selectbox("Contains variable: ", options=['Players', 'Stacks'], key='conditional_var_2')
+                        if st.form_submit_button("Apply"):
+                            st.session_state['conditional_var_1'] = conditional_var_1
+                            st.session_state['conditional_var_2'] = conditional_var_2
                     if st.session_state['conditional_var_1'] == 'Players':
                         conditional_remove = st.multiselect("Remove lineups containing players:", options=sorted(list(player_names)), default=[])
                     elif st.session_state['conditional_var_1'] == 'Stacks':