Update stack inclusion logic in app.py: modify condition to check for sport types (NFL, MLB, NHL) instead of 'Stack' column, enhancing stack selection functionality for specific sports.

app.py

@@ -976,7 +976,7 @@ with tab2:
                     max_salary = st.number_input("Max acceptable salary?", value=100000, min_value=1000, step=100)
                     max_finish_percentile = st.number_input("Max acceptable finish percentile?", value=.50, min_value=0.005, step=.001)
                     min_lineup_edge = st.number_input("Min acceptable Lineup Edge?", value=-.5, min_value=-1.00, step=.001)
-                    if 'Stack' in st.session_state['working_frame'].columns:
+                    if sport_var in ['NFL', 'MLB', 'NHL']:
                         stack_include_toggle = st.selectbox("Include specific stacks?", options=['All Stacks', 'Specific Stacks'], index=0)
                         stack_selections = st.multiselect("If Specific Stacks, Which to include?", options=sorted(list(set(stack_dict.values()))), default=[])