Update sportbet.py

sportbet.py

@@ -194,6 +194,10 @@ async def show_current_bets(interaction: discord.Interaction):
     view.add_item(cancel_select)
 
     async def cancel_callback(interaction: discord.Interaction):
+        if interaction.user.id != user_id:
+            await interaction.response.send_message("You cannot cancel other users' bets.", ephemeral=True)
+            return
+
         bet_index = int(cancel_select.values[0])
         cancelled_bet = user_bets[user_id].pop(bet_index)
         user_cash[user_id] += cancelled_bet['amount']