Use uvicorn for Space deployment; pin model filename

app.py

@@ -93,4 +93,11 @@ def reset_game() -> dict:
 
 
 if __name__ == "__main__":
-    app.launch(show_error=True)
+    import os
+
+    import uvicorn
+    uvicorn.run(
+        app,
+        host="0.0.0.0",
+        port=int(os.environ.get("PORT", "7860")),
+    )