Refactor CSV file loading logic in Data Load tab

Updated the handling of the CSV file upload and loading from Paydirt DB to improve session state management. Ensured that the 'pricing_loaded' state is set correctly based on the source of the CSV file, enhancing data processing reliability and user experience.

app.py

@@ -595,14 +595,20 @@ 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
+        if 'csv_file' not in st.session_state:
+            st.session_state['pricing_loaded'] = False
 
         upload_csv_col, csv_template_col = st.columns([3, 1])
         if pricing_source == 'Paydirt DB':
             if st.button("Load from Paydirt DB"):
                 st.session_state['csv_file'] = load_csv(nfl_reg_salaries)
+                st.session_state['pricing_loaded'] = True
                 if 'csv_file' in st.session_state:
                     del st.session_state['csv_file']
+            try:
+                st.session_state['csv_file']['Salary'] = st.session_state['csv_file']['Salary'].astype(str).str.replace(',', '').astype(int)
+            except:
+                pass
         else:
             with upload_csv_col:
                 csv_file = st.file_uploader("Upload CSV File", type=['csv'])
@@ -621,11 +627,11 @@ 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
+            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 st.session_state['pricing_loaded']:
             if type_var == 'Showdown':