Enhance opponent variable assignment in app.py for Draftkings and Fanduel sites, ensuring correct team identification and stack handling based on site-specific logic.

app.py

@@ -236,7 +236,13 @@ with tab1:
                             
                             while x <= len(raw_baselines['Team'].unique()):
                                 stack_var1 = raw_baselines['Team'].unique()[x-1]
-                                opp_var1 = opp_dict[stack_var1]
+                                if site_var1 == 'Draftkings':
+                                    opp_var1 = opp_dict[stack_var1]
+                                elif site_var1 == 'Fanduel':
+                                    if stack_var1 == 'JAC':
+                                        stack_var1 = 'JAX'
+                                    else:
+                                        opp_var1 = opp_dict[stack_var1]
                                 st.write(stack_var1)
                                 sorted_lineup = []
                                 p_used = []