| 12345678910111213141516171819 | 
def test_thread_copy(client):    """    test copy thread    """    thread = client.beta.threads.create()    contents = ["test1", "test2", "test3"]    messages = [client.beta.threads.messages.create(thread_id=thread.id, role="user", content=content) for content in contents]    for index, message in enumerate(messages):        print(index)        new_thread = client.beta.threads.create(extra_body={"thread_id": thread.id,                                                        "end_message_id": message.id})        new_messages = client.beta.threads.messages.list(thread_id=new_thread.id).data        assert len(new_messages) == index + 1        for i in range(index + 1):            assert new_messages[i].content[0].text.value == contents[i]        client.beta.threads.delete(thread_id=new_thread.id)    client.beta.threads.delete(thread_id=thread.id)
 |