Sync from GitHub main @ 9b3d8fb228c968fd1d31e2a76197fb0a25a602d2

start.py

@@ -25,15 +25,23 @@ def run_gradio():
     """Build and launch Gradio UI on the Space's PORT."""
     print("[start] about to launch gradio on PORT=", os.getenv("PORT"), flush=True)
     from demo.app import build_ui
+    import inspect
 
     demo = build_ui()
-    demo.launch(
+
+    launch_kwargs = dict(
         server_name="0.0.0.0",
         server_port=int(os.getenv("PORT", "7860")),
-        show_api=False,
         debug=False,
     )
 
+    # Backward/forward compatibility: some gradio versions don't support `show_api`
+    sig = inspect.signature(demo.launch)
+    if "show_api" in sig.parameters:
+        launch_kwargs["show_api"] = False
+
+    demo.launch(**launch_kwargs)
+
 
 if __name__ == "__main__":
     # Start FastAPI in background thread