Update app.py

app.py

@@ -10,17 +10,18 @@ my_data = list( str('-') * 10 )
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     # --- startup ---
-    work()
+    work()           # no await!
     yield
     # --- shutdown ---
 
 app = FastAPI(lifespan=lifespan)
 
-@repeat_at(cron="* * * * *")
+@repeat_at(cron="*/15 * * * *")
 def work():
     now_dtime = datetime.datetime.fromtimestamp(time.time()).strftime('%Y-%m-%d %H:%M:%S')
     my_data.append(now_dtime)
     my_data.pop(0)  # trim old values
+    print('-= work! =-')
 
 @app.get("/")
 def read_root():