Expose demo for Spaces and fix launch

app.py

@@ -1853,20 +1853,20 @@ def build_demo() -> gr.Blocks:
     return demo
 
 
-demo = build_demo().queue() if os.environ.get("SPACE_ID") else None
+demo = build_demo() if os.environ.get("SPACE_ID") else None
 
 
 def launch_app(*, prevent_thread_lock: bool = False):
-  app_demo = demo if demo is not None else build_demo().queue()
-  # When running inside a Hugging Face Space, bind to 0.0.0.0 so the
-  # platform can route traffic to the container. Allow overriding via
-  # `VC_GRADIO_SERVER_NAME` for local development.
-  default_host = "0.0.0.0" if os.environ.get("SPACE_ID") else "127.0.0.1"
-  app_demo.launch(
-    server_name=os.environ.get("VC_GRADIO_SERVER_NAME", default_host),
-    server_port=int(os.environ.get("VC_GRADIO_PORT", "7861")),
-    prevent_thread_lock=prevent_thread_lock,
-  )
+    app_demo = demo if demo is not None else build_demo().queue()
+    # When running inside a Hugging Face Space, bind to 0.0.0.0 so the
+    # platform can route traffic to the container. Allow overriding via
+    # `VC_GRADIO_SERVER_NAME` for local development.
+    default_host = "0.0.0.0" if os.environ.get("SPACE_ID") else "127.0.0.1"
+    app_demo.launch(
+        server_name=os.environ.get("VC_GRADIO_SERVER_NAME", default_host),
+        server_port=int(os.environ.get("VC_GRADIO_PORT", "7861")),
+        prevent_thread_lock=prevent_thread_lock,
+    )
     return app_demo