Update app.py

app.py

@@ -283,5 +283,5 @@ Question:
 # ----------------------------
 if __name__ == "__main__":
     import uvicorn
-    uvicorn.run("main:app", host="0.0.0.0", port=7860, reload=True)
+    uvicorn.run("app:app", host="0.0.0.0", port=7860, reload=True)