@@ -59,7 +59,10 @@ for section in engines_config.sections():
5959 if param_name == 'engine':
6060 continue
6161 if param_name == 'categories':
62− engine.categories = map(str.strip, engines_config.get(section, param_name).split(','))
62+ if engines_config.get(section, param_name) == 'none':
63+ engine.categories = []
64+ else:
65+ engine.categories = map(str.strip, engines_config.get(section, param_name).split(','))
6366 continue
6467 setattr(engine, param_name, engines_config.get(section, param_name))
6568 for engine_attr in dir(engine):