(self, name, plugin_cls)
Add a plugin to the preset.
Add a plugin to the preset.
Add a plugin to the preset .
def add_default_plugin(self, name, plugin_cls):
        """
        Add a plugin to the preset.
        """
        self._default_plugins[name] = plugin_cls
def add_default_plugin ( self , name , plugin_cls ) : self . _default_plugins [ name ] = plugin_cls