change this
from java.util import Iterator
from net.sf.l2j.gameserver.model.quest import State
from net.sf.l2j.gameserver.model.quest import QuestState
from net.sf.l2j.gameserver.model.quest.jython import QuestJython as JQuest
from net.sf.l2j.gameserver.network.serverpackets import CreatureSay
from net.sf.l2j import L2DatabaseFactory
for this
from java.util import Iterator
from com.l2jserver.gameserver.model.quest import State
from com.l2jserver.gameserver.model.quest import QuestState
from com.l2jserver.gameserver.model.quest.jython import QuestJython as JQuest
from com.l2jserver.gameserver.network.serverpackets import CreatureSay
from com.l2jserver import L2DatabaseFactory