made changes to app.py

app.py

@@ -27,3 +27,8 @@ demo = gr.Interface(
 
 # Launch the Gradio interface
 demo.launch(share=True)
+
+if __name__ == "__main__":
+    import uvicorn
+    import calc_fast_api
+    uvicorn.run("calc_fast_api:app",host="127.0.0.1",port="8000")