Remove library "six"
Now Python2 is not supported, this compatibility library for both versions is not needed anymore. Change-Id: Ic6da328a6219c8a00d38602f6b539a2ff5be1b2e
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@@ -12,8 +12,6 @@
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import abc
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import six
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class WorkerBase(object):
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@@ -48,8 +46,7 @@ class WorkerBase(object):
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self._workers.extend(workers)
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@six.add_metaclass(abc.ABCMeta)
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class ServicePluginBase(WorkerBase):
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class ServicePluginBase(WorkerBase, metaclass=abc.ABCMeta):
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"""Define base interface for any Advanced Service plugin."""
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supported_extension_aliases = []
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