Hilfe beim Volkszaehler Plugin

[2Fast4You78]

Ich wollte das Plugin testen.
bekomme aber folgende Fehlermeldung:

2015-12-21 10:59:17,854 DEBUG    Main         Plugin: volkszaehler -- plugin.py:__init__:43
2015-12-21 10:59:17,860 ERROR    Main         Plugin volkszaehler exception: 'module' object has no attribute 'Volkszaehler' -- plugin.py:__init__:57
Traceback (most recent call last):
  File "/usr/local/smarthome/lib/plugin.py", line 53, in __init__plugin_thread = Plugin(smarthome, plugin, classname, classpath, args)
  File "/usr/local/smarthome/lib/plugin.py", line 82, in __init__exec("self.plugin = {0}.{1}(smarthome{2})".format(classpath,classname,args))
  File "<string>", line 1, in <module>
AttributeError: 'module' object has no attribute 'Volkszaehler'