Fix flake8 errors in sysinv

Story: 2003087
Task: 23171

Change-Id: I297f686875afb66ff7c0c44be6da8a6a6ebba29d
Signed-off-by: Patrick Bonnell <patrick.bonnell@windriver.com>

.zuul.yaml

@@ -4,8 +4,7 @@
       jobs:
         - openstack-tox-linters
         - sysinv-tox-py27
-        - sysinv-tox-flake8:
-            voting: false
+        - sysinv-tox-flake8
         - controllerconfig-tox-flake8
         - controllerconfig-tox-py27
         - controllerconfig-tox-pylint
@@ -14,6 +13,7 @@
       jobs:
         - openstack-tox-linters
         - sysinv-tox-py27
+        - sysinv-tox-flake8
         - controllerconfig-tox-flake8
         - controllerconfig-tox-py27
         - controllerconfig-tox-pylint

sysinv/sysinv/sysinv/sysinv/agent/lldp.py

@@ -543,7 +543,6 @@ class LLDPOperator(object):
         LOG.error("vswitch_lldp_agent_list is not implemented.")
         return []
 
-
     def vswitch_lldp_neighbour_list(self):
         """Sends a request to the vswitch requesting the full list of LLDP
 
@@ -553,7 +552,6 @@ class LLDPOperator(object):
         LOG.error("vswitch_lldp_neighbour_ist s not implemented.")
         return []
 
-
     def lldp_agents_list(self, do_compute=False):
         self.agent_audit_count += 1
         if self.agent_audit_count > constants.LLDP_FULL_AUDIT_COUNT:
@@ -660,5 +658,4 @@ class LLDPOperator(object):
                               newname], stdout=subprocess.PIPE)
 
         if do_compute:
-            attrs = {"system-name": newname}
             LOG.error("lldp_update_systemname failed due to lack of vswitch")

sysinv/sysinv/sysinv/sysinv/agent/manager.py

@@ -1552,7 +1552,6 @@ class AgentManager(service.PeriodicService):
         :returns: none
         """
         try:
-            from controllerconfig import backup_restore
             from controllerconfig.upgrades import \
                 management as upgrades_management
         except ImportError:

sysinv/sysinv/sysinv/sysinv/api/controllers/v1/__init__.py

@@ -515,7 +515,6 @@ class V1(base.APIBase):
                                            bookmark=True)
                          ]
 
-
         v1.iinfra = [link.Link.make_link('self', pecan.request.host_url,
                                           'iinfra', ''),
                       link.Link.make_link('bookmark',

sysinv/sysinv/sysinv/sysinv/api/controllers/v1/helm_charts.py

@@ -80,7 +80,7 @@ class HelmChartsController(rest.RestController):
             # Extract the info we want.
             values = output.split('USER-SUPPLIED VALUES:\n')[1].split(
                                   '\nCOMPUTED VALUES:')[0]
-        except:
+        except Exception:
             raise
         finally:
             os.remove(chartfile)
@@ -91,7 +91,6 @@ class HelmChartsController(rest.RestController):
 
         return values
 
-
     @wsme_pecan.wsexpose(wtypes.text)
     def get_all(self):
         """Provides information about the available charts to override."""

sysinv/sysinv/sysinv/sysinv/db/sqlalchemy/migrate_repo/versions/071_storage_ceph_external.py

@@ -24,7 +24,7 @@ def upgrade(migrate_engine):
     meta = MetaData()
     meta.bind = migrate_engine
 
-    storage_backend = Table('storage_backend', meta, autoload=True)
+    Table('storage_backend', meta, autoload=True)
 
     # Define and create the storage_external table.
     storage_external = Table(

sysinv/sysinv/sysinv/sysinv/db/sqlalchemy/migrate_repo/versions/075_ptp.py

@@ -15,6 +15,7 @@ from sqlalchemy import Column, MetaData, Table, ForeignKey
 ENGINE = 'InnoDB'
 CHARSET = 'utf8'
 
+
 def _populate_ptp_table(migrate_engine, meta, ptp, i_system):
     """This function inserts all the initial data about journals,
        into the ptp table.

sysinv/sysinv/sysinv/sysinv/puppet/puppet.py

@@ -13,7 +13,6 @@ import os
 import tempfile
 import yaml
 
-from oslo_utils import importutils
 from stevedore import extension
 
 from sysinv.openstack.common import log as logging