stop this nonsense

code/game/objects/structures/ai_core.dm

@@ -414,8 +414,8 @@ That prevents a few funky behaviors.
 	if(istype(card))
 		if(card.flush)
 			to_chat(user, "<span class='boldannounce'>ERROR</span>: AI flush is in progress, cannot execute transfer protocol.")
-			return 0
-	return 1
+			return FALSE
+	return TRUE
 
 /obj/structure/ai_core/transfer_ai(interaction, mob/user, mob/living/silicon/ai/AI, obj/item/aicard/card)
 	if(state != AI_READY_CORE || !..())