format code

app/tool/search/__init__.py

@@ -4,6 +4,7 @@ from app.tool.search.bing_search import BingSearchEngine
 from app.tool.search.duckduckgo_search import DuckDuckGoSearchEngine
 from app.tool.search.google_search import GoogleSearchEngine
 
+
 __all__ = [
     "WebSearchEngine",
     "BaiduSearchEngine",

app/tool/search/bing_search.py

@@ -6,6 +6,7 @@ from bs4 import BeautifulSoup
 from app.logger import logger
 from app.tool.search.base import WebSearchEngine
 
+
 ABSTRACT_MAX_LENGTH = 300
 
 USER_AGENTS = [

app/tool/web_search.py

@@ -10,7 +10,7 @@ from app.tool.search import (
     BingSearchEngine,
     DuckDuckGoSearchEngine,
     GoogleSearchEngine,
-    WebSearchEngine
+    WebSearchEngine,
 )