code: def fullname(self):
      if self._fullname is None:
          package_name = namespace.apply_namespace(
              self.dist.project_name
          )
          self._fullname = f"{package_name}/{self.name}"
      return self._fullname
  
file_path: guildai/guild/resource.py
imports: from guild import entry_point_util
  from guild import namespace
label_desc: Use image node_id 3 for calling the Resource obj's underlying member method code with example usage: obj.fullname() and returns: self