训练出现以下问题：

[91qin]

During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/visdom/init.py", line 756, in _send return self._handle_post( File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/visdom/init.py", line 720, in _handle_post r = self.session.post(url, data=data) File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/requests/sessions.py", line 637, in post return self.request("POST", url, data=data, json=json, **kwargs) File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/requests/sessions.py", line 589, in request resp = self.send(prep, **send_kwargs) File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/requests/sessions.py", line 703, in send r = adapter.send(request, **kwargs) File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/requests/adapters.py", line 700, in send raise ConnectionError(e, request=request) requests.exceptions.ConnectionError: HTTPConnectionPool(host='localhost', port=8097): Max retries exceeded with url: /events (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7d4902462520>: Failed to establish a new connection: [Errno 111] Connection refused')) Exception in user code: ------------------------------------------------------------ Traceback (most recent call last): File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/connection.py", line 199, in _new_conn sock = connection.create_connection( File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/util/connection.py", line 85, in create_connection raise err File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/util/connection.py", line 73, in create_connection sock.connect(sa) ConnectionRefusedError: [Errno 111] Connection refused The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/connectionpool.py", line 789, in urlopen response = self._make_request( File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/connectionpool.py", line 495, in _make_request conn.request( File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/connection.py", line 441, in request self.endheaders() File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/http/client.py", line 1251, in endheaders self._send_output(message_body, encode_chunked=encode_chunked) File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/http/client.py", line 1011, in _send_output self.send(msg) File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/http/client.py", line 951, in send self.connect() File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/connection.py", line 279, in connect self.sock = self._new_conn() File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/connection.py", line 214, in _new_conn raise NewConnectionError( urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7d49024628b0>: Failed to establish a new connection: [Errno 111] Connection refused The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/requests/adapters.py", line 667, in send resp = conn.urlopen( File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/connectionpool.py", line 843, in urlopen retries = retries.increment( File "/home/qm/anaconda3/envs/gan_ebv/lib/python3.8/site-packages/urllib3/util/retry.py", line 519, in increment raise MaxRetryError(_pool, url, reason) from reason # type: ignore[arg-type] urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='localhost', port=8097): Max retries exceeded with url: /events (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7d49024628b0>: Failed to establish a new connection: [Errno 111] Connection refused'))