Fix pep8/yamllint errors

Change-Id: I1fdfc0e6a96a70623058139335a22325418a0fa4

doc/source/conf.py

@@ -12,16 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
-import sys
-
 # -- General configuration ----------------------------------------------------
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     'sphinx.ext.autodoc',
-    #'sphinx.ext.intersphinx',
+    # 'sphinx.ext.intersphinx',
     'zuul_sphinx',
 ]
 
@@ -71,4 +68,4 @@ latex_documents = [
 ]
 
 # Example configuration for intersphinx: refer to the Python standard library.
-#intersphinx_mapping = {'http://docs.python.org/': None}
+# intersphinx_mapping = {'http://docs.python.org/': None}

roles/configure-mirrors/handlers/main.yaml

@@ -26,4 +26,4 @@
   command: "{{ item }}"
   with_items:
     - zypper clean
-    - zypper refresh
+    - zypper refresh

roles/configure-mirrors/vars/CentOS.yaml

@@ -1,2 +1,2 @@
 package_mirror: "http://{{ mirror_fqdn }}/{{ ansible_distribution | lower }}"
-epel_mirror: "http://{{ mirror_fqdn }}/epel"
+epel_mirror: "http://{{ mirror_fqdn }}/epel"