fix pep8 and pylint warnings

cloudinit/distros/rhel.py

@@ -20,8 +20,6 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import os
-
 from cloudinit import distros
 from cloudinit import helpers
 from cloudinit import log as logging

cloudinit/distros/sles.py

@@ -18,8 +18,6 @@
 #    You should have received a copy of the GNU General Public License
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import os
-
 from cloudinit import distros
 
 from cloudinit.distros.parsers.hostname import HostnameConf

tests/unittests/test_datasource/test_azure.py

@@ -249,7 +249,6 @@ class TestAzureDataSource(MockerTestCase):
 
     def test_apply_bounce_call_1(self):
         # hostname needs to get through to apply_hostname_bounce
-        mydata = "FOOBAR"
         odata = {'HostName': 'my-random-hostname'}
         data = {'ovfcontent': construct_valid_ovf_env(data=odata)}