def ready(self):
from nodeshot.core.nodes.serializers import ExtensibleNodeSerializer<EOL>ExtensibleNodeSerializer.add_relationship(**{<EOL>'<STR_LIT:name>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>',<EOL>'<STR_LIT>': '<STR_LIT>'<EOL>})<EOL>
Add relationship to ExtensibleNodeSerializer