Enable more pep8 checks

Change-Id: Ib8509391d4c4521e18f0e980003c5e94c7ba2f54

ceilometerclient/v2/shell.py

@@ -120,7 +120,7 @@ def do_alarm_show(cc, args={}):
 @utils.arg('-a', '--alarm_id', metavar='<ALARM_ID>',
            help='ID of the alarm to show.')
 def do_alarm_delete(cc, args={}):
-    '''Delete an alarm'''
+    '''Delete an alarm.'''
     if args.alarm_id is None:
         raise exc.CommandError('Alarm ID not provided (-a <alarm id>)')
     try:

tests/utils.py

@@ -53,8 +53,7 @@ class FakeAPI(object):
 
 class FakeResponse(object):
     def __init__(self, headers, body=None, version=None):
-        """
-        :param headers: dict representing HTTP response headers
+        """:param headers: dict representing HTTP response headers
         :param body: file-like object
         """
         self.headers = headers

tox.ini

@@ -24,6 +24,6 @@ commands = python setup.py testr --coverage --testr-args='{posargs}'
 commands = {posargs}
 
 [flake8]
-ignore = E12,E711,E721,E712,F,H
+ignore = E12,E711,E721,E712,F,H302
 show-source = True
-exclude = .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build
+exclude = .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools