1 files changed, 3 insertions, 8 deletions
diff --git a/nfvbench/config_plugin.py b/nfvbench/config_plugin.py
index a6759cd..86e5505 100644
--- a/nfvbench/config_plugin.py
+++ b/nfvbench/config_plugin.py
@@ -18,19 +18,15 @@
 This module is used to override the configuration with platform specific constraints and extensions
 """
 import abc
-import specs
+from . import specs
 
 
-class ConfigPluginBase(object):
+class ConfigPluginBase(object, metaclass=abc.ABCMeta):
     """Base class for config plugins."""
 
-    __metaclass__ = abc.ABCMeta
-
     class InitializationFailure(Exception):
         """Used in case of any init failure."""
 
-        pass
-
     def __init__(self, config):
         """Save configuration."""
         if not config:
@@ -95,9 +91,8 @@ class ConfigPlugin(ConfigPluginBase):
         """Return RunSpec for given platform."""
         return specs.RunSpec(config.no_vswitch_access, openstack_spec)
 
-    def validate_config(self, config, openstack_spec):
+    def validate_config(self, cfg, openstack_spec):
         """Nothing to validate by default."""
-        pass
 
     def prepare_results_config(self, cfg):
         """Nothing to add the results by default."""