Managing opponent and grid maps based on sport definitions.

app.py

@@ -1665,8 +1665,13 @@ if selected_tab == 'Data Load':
                 projections_file = st.file_uploader("Upload Projections File (CSV or Excel)", type=['csv', 'xlsx', 'xls'])
                 if sport_var == 'MMA':
                     opp_map = init_mma_baselines(type_var, site_var, slate_var3)[8]
+                    grid_map = None
                 elif sport_var == 'NASCAR':
                     grid_map = init_nascar_baselines(type_var, site_var, slate_var3)[8]
+                    opp_map = None
+                else:
+                    opp_map = None
+                    grid_map = None
                 st.session_state['db_projections_file'] = projections_file
                 st.session_state['projections_loaded'] = True
             elif proj_options == 'Paydirt DB':