diff --git a/01-manual/python-year/python-year-the-hard-way.py b/01-manual/python-year/python-year-the-hard-way.py
index b206a51..890aa01 100644
--- a/01-manual/python-year/python-year-the-hard-way.py
+++ b/01-manual/python-year/python-year-the-hard-way.py
@@ -35,10 +35,12 @@
 app = FastAPI()
 FastAPIInstrumentor.instrument_app(app)
 
+
 @app.get("/", response_class=HTMLResponse)
 def home():
     return "service: <a href='/year'>/year</a>"
 
+
 @app.get("/year")
 async def year():
     span = trace.get_current_span()