Cloudera 6. 2 ImportError: cannot import name certificate_transparency

File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/desktop/core/src/desktop/appmanager.py”, line 53, in _import_module_or_none
import(module)
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/apps/filebrowser/src/filebrowser/settings.py”, line 25, in
from azure.adls.webhdfs import PERMISSION_ACTION_ADLS
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/desktop/libs/azure/src/azure/adls/webhdfs.py”, line 26, in
from hadoop.fs.webhdfs import WebHdfs as HadoopWebHdfs
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/desktop/libs/hadoop/src/hadoop/fs/webhdfs.py”, line 32, in
from desktop.lib.rest import http_client, resource
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/desktop/core/src/desktop/lib/rest/http_client.py”, line 32, in
from urllib3.contrib import pyopenssl
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/build/env/lib/python2.7/site-packages/urllib3-1.22-py2.7.egg/urllib3/contrib/pyopenssl.py”, line 46, in
import OpenSSL.SSL
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/build/env/lib/python2.7/site-packages/pyOpenSSL-17.5.0-py2.7.egg/OpenSSL/init.py”, line 8, in
from OpenSSL import crypto, SSL
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/build/env/lib/python2.7/site-packages/pyOpenSSL-17.5.0-py2.7.egg/OpenSSL/crypto.py”, line 12, in
from cryptography import x509
File “/opt/cloudera/parcels/CDH-6.2.0-1.cdh6.2.0.p0.967373/lib/hue/build/env/lib/python2.7/site-packages/cryptography-2.1.4-py2.7-linux-x86_64.egg/cryptography/x509/init.py”, line 16, in
from cryptography.x509 import certificate_transparency
ImportError: cannot import name certificate_transparency