CERTICATE Verify Error with Seaf-Cli 8.0.1

Hi, I can’t sync lybrary i have error with fresh install, i try with letsencrypt and Gandi certificat

Debian 10.9
dpkg -l | grep seaf
ii libseafile0 8.0.1 amd64 Shared libraries for Seafile
ii seafile-cli 8.0.1 amd64 Seafile command line interface.
ii seafile-daemon 8.0.1 amd64 Seafile daemon

seaf-cli sync -l b3612325-e882-4692-a42b-6f94d90a09d5 -s urlserver -d “/www/” -u user -p pass
Traceback (most recent call last):
File “/usr/lib/python3.7/urllib/request.py”, line 1324, in do_open
File “/usr/lib/python3.7/http/client.py”, line 1260, in request
self._send_request(method, url, body, headers, encode_chunked)
File “/usr/lib/python3.7/http/client.py”, line 1306, in _send_request
self.endheaders(body, encode_chunked=encode_chunked)
File “/usr/lib/python3.7/http/client.py”, line 1255, in endheaders
self._send_output(message_body, encode_chunked=encode_chunked)
File “/usr/lib/python3.7/http/client.py”, line 1030, in _send_output
File “/usr/lib/python3.7/http/client.py”, line 970, in send
File “/usr/lib/python3.7/http/client.py”, line 1423, in connect
File “/usr/lib/python3.7/ssl.py”, line 412, in wrap_socket
File “/usr/lib/python3.7/ssl.py”, line 853, in _create
File “/usr/lib/python3.7/ssl.py”, line 1117, in do_handshake
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “/usr/bin/seaf-cli”, line 983, in
File “/usr/bin/seaf-cli”, line 979, in main
File “/usr/bin/seaf-cli”, line 645, in seaf_sync
token = get_token(url, username, password, tfa, conf_dir)
File “/usr/bin/seaf-cli”, line 301, in get_token
token_json = urlopen("%s/api2/auth-token/" % url, data=data, headers=headers)
File “/usr/bin/seaf-cli”, line 234, in urlopen
resp = urllib.request.urlopen(req)
File “/usr/lib/python3.7/urllib/request.py”, line 222, in urlopen
return opener.open(url, data, timeout)
File “/usr/lib/python3.7/urllib/request.py”, line 525, in open
response = self._open(req, data)
File “/usr/lib/python3.7/urllib/request.py”, line 543, in _open
‘_open’, req)
File “/usr/lib/python3.7/urllib/request.py”, line 503, in _call_chain
result = func(*args)
File “/usr/lib/python3.7/urllib/request.py”, line 1367, in https_open
context=self._context, check_hostname=self._check_hostname)
File “/usr/lib/python3.7/urllib/request.py”, line 1326, in do_open
raise URLError(err)
urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)>

Can you help me please?

No one have any explication?