Update app.py

app.py

@@ -1,4 +1,5 @@
 from flask import Flask, render_template, send_from_directory
+import os
 
 app = Flask(__name__)
 
@@ -11,4 +12,5 @@ def send_static(path):
     return send_from_directory('static', path)
 
 if __name__ == '__main__':
-    app.run(debug=True)
+    port = int(os.getenv("PORT", 7860))  # Default port for Spaces
+    app.run(host="0.0.0.0", port=port)