def __init__(self, *args, **kwargs):
super(LayerExternal, self).__init__(*args, **kwargs)<EOL>try:<EOL><INDENT>synchronizer = self.synchronizer<EOL><DEDENT>except ImproperlyConfigured:<EOL><INDENT>synchronizer = False<EOL><DEDENT>if synchronizer is not False and hasattr(synchronizer, '<STR_LIT>'):<EOL><INDENT>self.get_nodes = synchronizer.get_nodes<EOL><DEDENT>self._reload_schema()<EOL>
custom init method