Start app with uvicorn on PORT env for Spaces

app.py

@@ -1,4 +1,5 @@
 from pathlib import Path
+import os
 
 import gradio as gr
 from fastapi import FastAPI
@@ -47,3 +48,9 @@ app = FastAPI()
 app.mount("/linear-regression", StaticFiles(directory=str(linear_dir), html=True), name="linear-regression")
 app.mount("/logistic-regression", StaticFiles(directory=str(logistic_dir), html=True), name="logistic-regression")
 app = gr.mount_gradio_app(app, demo, path="/")
+
+
+if __name__ == "__main__":
+    import uvicorn
+
+    uvicorn.run(app, host="0.0.0.0", port=int(os.environ.get("PORT", "7860")))