Update app.py

app.py

@@ -253,4 +253,9 @@ This demo was built with [LlamaIndex](https://docs.llamaindex.ai) and [LlamaPars
     )
 
 if __name__ == "__main__":
-    demo.launch()
+    if os.getenv("SPACE_ID"):
+        # Running on HF Spaces
+        demo.launch(server_name="0.0.0.0", server_port=7860, share=False)
+    else:
+        # Running locally
+        demo.launch()