Update app.py

app.py

@@ -693,16 +693,19 @@ with tab3:
                         
         with optimize_container:
                     optimize_container = st.empty()
-                    st.dataframe(st.session_state.final_outcomes.style.background_gradient(axis=0).background_gradient(cmap='RdYlGn').format(precision=2), use_container_width = True)
+                    if 'final_outcomes' in st.session_state:
+                        st.dataframe(st.session_state.final_outcomes.style.background_gradient(axis=0).background_gradient(cmap='RdYlGn').format(precision=2), use_container_width = True)
         with download_container:
             download_container = st.empty()
-            st.download_button(
-                label="Export Optimals",
-                data=convert_df_to_csv(st.session_state.final_outcomes_export),
-                file_name='NFL_optimals_export.csv',
-                mime='text/csv',
-            )
+            if 'final_outcomes_export' in st.session_state:
+                st.download_button(
+                    label="Export Optimals",
+                    data=convert_df_to_csv(st.session_state.final_outcomes_export),
+                    file_name='NFL_optimals_export.csv',
+                    mime='text/csv',
+                )
         with freq_container:
             freq_container = st.empty()
-            st.dataframe(st.session_state.player_freq.style.background_gradient(axis=0).background_gradient(cmap='RdYlGn').format(expose_format, precision=2), use_container_width = True)
+            if 'player_freq' in st.session_state:
+                st.dataframe(st.session_state.player_freq.style.background_gradient(axis=0).background_gradient(cmap='RdYlGn').format(expose_format, precision=2), use_container_width = True)