fix(pep8): makes python script pep8 compliant

Fixes horizon python script so it is pep8 compliant.

Change-Id: I704d3e83b0ee62173207559379e22d04aa96fcbf
Signed-off-by: Tin <tin@irrational.io>

horizon/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Horizon
 name: horizon
-version: 0.2.0
+version: 0.2.1
 home: https://docs.openstack.org/horizon/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Horizon/OpenStack_Project_Horizon_vertical.png
 sources:

horizon/templates/bin/_selenium-test.py.tpl

@@ -17,6 +17,7 @@ limitations under the License.
 import os
 import sys
 import logging
+
 from selenium import webdriver
 from selenium.webdriver.common.by import By
 from selenium.webdriver.support.ui import WebDriverWait
@@ -37,6 +38,7 @@ formatter = logging.Formatter(
 ch.setFormatter(formatter)
 logger.addHandler(ch)
 
+
 def get_variable(env_var):
     if env_var in os.environ:
         logger.info('Found "{}"'.format(env_var))
@@ -45,6 +47,7 @@ def get_variable(env_var):
         logger.critical('Variable "{}" is not defined!'.format(env_var))
         sys.exit(1)
 
+
 keystone_user = get_variable('OS_USERNAME')
 keystone_password = get_variable('OS_PASSWORD')
 horizon_uri = get_variable('HORIZON_URI')

releasenotes/notes/horizon.yaml

@@ -10,4 +10,5 @@ horizon:
   - 0.1.7 Update glance default policy values
   - 0.1.8 Implement "CSRF_COOKIE_HTTPONLY" option support in horizon
   - 0.2.0 Remove support for releases before T
+  - 0.2.1 Make python script PEP8 compliant
 ...