Add error handling for position replacement in CSV loading process for Fanduel site. This ensures that any exceptions during the replacement of 'D' with 'DST' are gracefully handled without interrupting the flow.

app.py

@@ -282,7 +282,10 @@ if selected_tab == 'Data Load':
                     st.session_state['csv_file']['Position'] = 'FLEX'
                     st.session_state['csv_file']['Team'] = 'NASCAR'
             if site_var == 'Fanduel':
-                st.session_state['csv_file']['Position'] = st.session_state['csv_file']['Position'].replace('D', 'DST', regex=False)
+                try:
+                    st.session_state['csv_file']['Position'] = st.session_state['csv_file']['Position'].replace('D', 'DST', regex=False)
+                except:
+                    pass
             st.success('Projections file loaded successfully!')
             st.dataframe(st.session_state['csv_file'].head(10))