Update app.py

app.py

@@ -297,5 +297,5 @@ def run_server(port=8000, host='localhost'):
         httpd.server_close()
 
 if __name__ == '__main__':
-    port = int(sys.argv[1]) if len(sys.argv) > 1 else 8000
+    port = int(sys.argv[1]) if len(sys.argv) > 1 else 7860
     run_server(port)