Refactor VORP roster assignment in Streamlit app to improve clarity by renaming variables for halfPPR and custom lookups, ensuring accurate calculations of VORP values.

src/streamlit_app.py

@@ -397,13 +397,13 @@ def assign_vorp_roster(frame: pd.DataFrame, halfPpr_rv: dict, custom_rv: dict, p
         pos_frame = pos_frame.sort_values(by='Rank', ascending=True).reset_index(drop=True)
         pos_frame['ranker_rank'] = pos_frame['Rank'].rank(method='first', ascending=True).astype(int)
         pos_frame['pos_rank_initial'] = pos_frame['Pos'] + pos_frame['ranker_rank'].astype(str)
-        halfPpr_rv_var = pos_frame['pos_rank_initial'].map(half_ppr_match_dict)
-        custom_rv_var = pos_frame['pos_rank_initial'].map(custom_match_dict)
+        pos_frame['halfPpr_lookup'] = pos_frame['pos_rank_initial'].map(half_ppr_match_dict)
+        pos_frame['custom_lookup'] = pos_frame['pos_rank_initial'].map(custom_match_dict)
         
         pos_frame['halfPpr_rv'] = halfPpr_rv[positions]
         pos_frame['custom_rv'] = custom_rv[positions]
-        pos_frame['halfPpr_VORP'] = pos_frame[halfPpr_rv_var] - halfPpr_rv[positions]
-        pos_frame['custom_VORP'] = pos_frame[custom_rv_var] - custom_rv[positions]
+        pos_frame['halfPpr_VORP'] = pos_frame['halfPpr_lookup'] - pos_frame['halfPpr_rv']
+        pos_frame['custom_VORP'] = pos_frame['custom_lookup'] - pos_frame['custom_rv']
         
         vorp_frame = pd.concat([vorp_frame, pos_frame]).reset_index(drop=True)