

class PluginAllreadyRegistered(Exception):
    pass

class NotImplemented(Exception):
    pass

class SubClassNeededError(Exception):
    pass

class MissingFormError(Exception):
    pass


class PluginAllreadyRegistered(Exception):
    pass

class NotImplemented(Exception):
    pass

class SubClassNeededError(Exception):
    pass

class MissingFormError(Exception):
    pass