Update app.py

app.py

@@ -290,5 +290,13 @@ def predict():
     return send_file(buf, mimetype="image/png")
 
 
+# if __name__ == "__main__":
+#     app.run(host="0.0.0.0", port=7860)
+
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=7860)
+    # warm up model on startup (non-blocking)
+    try:
+        init_model()
+    except Exception as e:
+        print("Model init warning:", e)
+    app.run(host="0.0.0.0", port=int(os.environ.get("PORT", 7860)), debug=False)