Update app.py

app.py

@@ -1,6 +1,7 @@
 from flask import Flask, render_template, request, jsonify # type: ignore
 from math import log2
 import numpy as np # type: ignore
+import os
 import time
 
 POSSIBLE_WORDS = set()
@@ -358,4 +359,5 @@ def reset_game():
     return jsonify({'word': 'ARISE'})
 
 if __name__ == '__main__':
-    app.run(debug=True, host='0.0.0.0', port=7860)
+    port = int(os.environ.get("PORT", 7860))
+    app.run(debug=True, host='0.0.0.0', port=port)app.run(debug=True, host='0.0.0.0', port=7860)