Install SSL issue

[root@localhost conf.d]# certbot --apache -d sonicfiber.pk -d www.sonicfiber.pk
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator apache, Installer apache
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for sonicfiber.pk
http-01 challenge for www.sonicfiber.pk
Waiting for verification…
Cleaning up challenges
An unexpected error occurred:
AttributeError: ‘module’ object has no attribute ‘detect’
Please see the logfiles in /var/log/letsencrypt for more details.
[root@localhost conf.d]#

ERROR LOGS :

replay-nonce: K6otP-IkQPl1lHcOn8sLty6bhHURiQUJiZVCxHRxxAE

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
2018-05-08 13:51:15,101:DEBUG:acme.client:Storing nonce: K6otP-IkQPl1lHcOn8sLty6bhHURiQUJiZVCxHRxxAE
2018-05-08 13:51:15,101:DEBUG:certbot.log:Exiting abnormally:
Traceback (most recent call last):
File “/usr/bin/certbot”, line 9, in
load_entry_point(‘certbot==0.23.0’, ‘console_scripts’, ‘certbot’)()
File “/usr/lib/python2.7/site-packages/certbot/main.py”, line 1266, in main
return config.func(config, plugins)
File “/usr/lib/python2.7/site-packages/certbot/main.py”, line 1031, in run
certname, lineage)
File “/usr/lib/python2.7/site-packages/certbot/main.py”, line 118, in _get_and_save_cert
lineage = le_client.obtain_and_enroll_certificate(domains, certname)
File “/usr/lib/python2.7/site-packages/certbot/client.py”, line 350, in obtain_and_enroll_certificate
cert, chain, key, _ = self.obtain_certificate(domains)
File “/usr/lib/python2.7/site-packages/certbot/client.py”, line 310, in obtain_certificate
cert, chain = self.obtain_certificate_from_csr(csr, orderr)
File “/usr/lib/python2.7/site-packages/certbot/client.py”, line 265, in obtain_certificate_from_csr
orderr = self.acme.finalize_order(orderr, deadline)
File “/usr/lib/python2.7/site-packages/acme/client.py”, line 796, in finalize_order
orderr.authorizations)
File “/usr/lib/python2.7/site-packages/acme/client.py”, line 373, in request_issuance
headers={‘Accept’: content_type})
File “/usr/lib/python2.7/site-packages/acme/client.py”, line 90, in _post
return self.net.post(*args, **kwargs)
File “/usr/lib/python2.7/site-packages/acme/client.py”, line 1069, in post
return self._post_once(*args, **kwargs)
File “/usr/lib/python2.7/site-packages/acme/client.py”, line 1083, in _post_once
return self._check_response(response, content_type=content_type)
File “/usr/lib/python2.7/site-packages/acme/client.py”, line 929, in _check_response
jobj = response.json()
File “/usr/lib/python2.7/site-packages/requests/models.py”, line 802, in json
return json.loads(self.text, **kwargs)
File “/usr/lib/python2.7/site-packages/requests/models.py”, line 765, in text
encoding = self.apparent_encoding
File “/usr/lib/python2.7/site-packages/requests/models.py”, line 640, in apparent_encoding
return chardet.detect(self.content)[‘encoding’]
AttributeError: ‘module’ object has no attribute ‘detect’
2018-05-08 13:51:15,103:ERROR:certbot.log:An unexpected error occurred: