Update app.py

app.py

@@ -12,4 +12,5 @@ def redirect():
 def home():
   return 'Hello world!'
 
-uvicorn.run("app:app", host="0.0.0.0", port=7860, log_level="info")
+if __name__ == '__main__':
+  uvicorn.run(app, host="0.0.0.0", port=7860)