Format import according to isort

examples/llm_hello_world.py

@@ -7,9 +7,9 @@
 """
 import asyncio
 
+from metagpt.llm import LLM, Claude
 from metagpt.logs import logger
-from metagpt.llm import LLM
-from metagpt.llm import Claude
+
 
 async def main():
     llm = LLM()

examples/search_google.py

@@ -7,6 +7,7 @@
 """
 
 import asyncio
+
 from metagpt.config import Config
 from metagpt.roles import Searcher
 

examples/search_kb.py

@@ -4,10 +4,11 @@
 @File    : search_kb.py
 """
 import asyncio
+
 from metagpt.const import DATA_PATH
 from metagpt.document_store import FaissStore
-from metagpt.roles import Sales
 from metagpt.logs import logger
+from metagpt.roles import Sales
 
 
 async def search():

examples/search_with_specific_engine.py

@@ -1,8 +1,10 @@
 import asyncio
+
 from metagpt.config import Config
 from metagpt.roles import Searcher
 from metagpt.tools import SearchEngineType
 
+
 async def main():
     # Serper API
     await Searcher(engine = SearchEngineType.SERPER_GOOGLE).run("What are some good sun protection products?")