Update app.py

app.py

@@ -61,7 +61,7 @@ def signup():
                 "Phone_Number__c": phone,
                 "Email__c": email,
                 "Password__c": password,
-                "Referral__c": referral
+                "Referral__c": referral,
                 "Customer_Referral_Code__c": referral_code
             })
             return redirect(url_for("login"))