Update app.py

app.py

@@ -93,7 +93,7 @@ session_lock = threading.Lock()
 append_answer_lock = threading.Lock()
 
 # Initialize browser
-browser = SimpleTextBrowser()
+browser = SimpleTextBrowser(request_kwargs={})
 
 # Initialize tools
 ti_tool = TextInspectorTool(None, 20000)  # Will be updated with session-specific model