Do the traindata need to be downloaded online? The following error occurred during operation#question

[xiaojuan123]

requests.exceptions.ConnectionError: HTTPConnectionPool(host='localhost', port=8097): Max retries exceeded with url: /env/main (Caused by NewConnectionError('<requests.packages.urllib3.connection.HTTPConnection object at 0x7ffad98234e0>: Failed to establish a new connection: [Errno 111] Connection refused',))

[2wins]

@xiaojuan123 It seems visdom issue. Please refer to this.

[navy63]

same problem.