Update CSV file handling in Data Load tab

Refactored the assignment of the CSV file from the Paydirt DB to store it in session state. This change ensures that the CSV file is correctly loaded and managed within the application, enhancing data processing and user experience.

app.py

@@ -600,7 +600,7 @@ if selected_tab == 'Data Load':
         upload_csv_col, csv_template_col = st.columns([3, 1])
         if pricing_source == 'Paydirt DB':
             if st.button("Load from Paydirt DB"):
-                csv_file = nfl_reg_salaries
+                st.session_state['csv_file'] = load_csv(nfl_reg_salaries)
                 if 'csv_file' in st.session_state:
                     del st.session_state['csv_file']
         else:
@@ -620,7 +620,7 @@ if selected_tab == 'Data Load':
                     file_name="csv_template.csv",
                     mime="text/csv"
                 )
-        st.session_state['csv_file'] = load_csv(csv_file)
+            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)