Update app.py

app.py

@@ -40,4 +40,4 @@ def serve_index():
     return app.send_static_file('index.html')
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=5000)
+    app.run(host="0.0.0.0", port=7860)