Fixing ruff format.

examples/aws-agentcore/bot_hellow.py

@@ -2,9 +2,11 @@ from bedrock_agentcore import BedrockAgentCoreApp
 
 app = BedrockAgentCoreApp()
 
+
 @app.entrypoint
 def my_agent(payload):
     return {"result": f"Hello {payload.get('name', 'World')}!"}
 
+
 if __name__ == "__main__":
-    app.run()
+    app.run()