@ -193,7 +193,8 @@ class Plugin(BasePlugin, ThreadJob):
self.hist_checkbox = None
is_exchange = lambda obj: (inspect.isclass(obj)
and issubclass(obj, ExchangeBase))
and issubclass(obj, ExchangeBase)
and obj != ExchangeBase)
self.exchanges = dict(inspect.getmembers(sys.modules[__name__],
is_exchange))
self.set_exchange(self.config_exchange())