Update Readme (#660)

Co-authored-by: Lianmin Zheng <lianminzheng@gmail.com>

test/lang/test_bind_cache.py

@@ -1,7 +1,7 @@
 import unittest
 
 import sglang as sgl
-from sglang.backend.runtime_endpoint import RuntimeEndpoint
+from sglang.lang.backend.runtime_endpoint import RuntimeEndpoint
 
 
 class TestBind(unittest.TestCase):

test/lang/test_tracing.py

@@ -1,7 +1,7 @@
 import unittest
 
 import sglang as sgl
-from sglang.backend.base_backend import BaseBackend
+from sglang.lang.backend.base_backend import BaseBackend
 from sglang.lang.chat_template import get_chat_template
 
 

test/srt/test_httpserver_llava.py

@@ -10,7 +10,6 @@ The image features a man standing on the back of a yellow taxi cab, holding
 import argparse
 import asyncio
 import json
-import time
 
 import aiohttp
 import requests