Enhance pricing source handling in Data Load tab

Added session state management for tracking whether the pricing data has been loaded. This change ensures that the application correctly processes the uploaded CSV file based on the selected pricing source, improving data handling and user experience.

app.py

@@ -600,6 +600,7 @@ if selected_tab == 'Data Load':
         st.info("Upload the player pricing CSV from the site you are playing on")
 
         pricing_source = st.selectbox("Select a pricing source", options=['Paydirt DB', 'User Upload'])
+        st.session_state['pricing_loaded'] = False
 
         upload_csv_col, csv_template_col = st.columns([3, 1])
         if pricing_source == 'Paydirt DB':
@@ -625,12 +626,13 @@ if selected_tab == 'Data Load':
                     mime="text/csv"
                 )
         st.session_state['csv_file'] = load_csv(csv_file)
+        st.session_state['pricing_loaded'] = True
         try:
             st.session_state['csv_file']['Salary'] = st.session_state['csv_file']['Salary'].astype(str).str.replace(',', '').astype(int)
         except:
             pass
             
-        if csv_file:
+        if st.session_state['pricing_loaded']:
             if type_var == 'Showdown':
                 st.session_state['csv_file']['Position'] = 'FLEX'
             else: