Clean up flake8 ignore list

clean up ignore list and fix errors.

Change-Id: I3f44def50fbf44fa3cf5c49cc15a98947084c236

tox.ini

@@ -42,10 +42,8 @@ commands =
                         --output-file etc/watcher/watcher.conf.sample
 
 [flake8]
-# E123, E125 skipped as they are invalid PEP-8.
-
 show-source=True
-ignore=E123,E125
+ignore=
 builtins= _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build,*sqlalchemy/alembic/versions/*,demo/
 

watcher/api/middleware/parsable_error.py

@@ -69,8 +69,7 @@ class ParsableErrorMiddleware(object):
         if (state['status_code'] // 100) not in (2, 3):
             req = webob.Request(environ)
             if (req.accept.best_match(['application/json', 'application/xml']
-                                      ) == 'application/xml'
-                ):
+                                      ) == 'application/xml'):
                 try:
                     # simple check xml is valid
                     body = [et.ElementTree.tostring(

watcher/decision_engine/strategy/strategies/outlet_temp_control.py

@@ -180,9 +180,9 @@ class OutletTempControl(BaseStrategy):
             cores_available = cap_cores.get_capacity(host) - cores_used
             disk_available = cap_disk.get_capacity(host) - mem_used
             mem_available = cap_mem.get_capacity(host) - disk_used
-            if cores_available >= required_cores and \
-                disk_available >= required_disk and \
-                mem_available >= required_mem:
+            if cores_available >= required_cores \
+                    and disk_available >= required_disk \
+                    and mem_available >= required_mem:
                 dest_servers.append(hvmap)
 
         return dest_servers