code: def __init__(self, notebook_id, project=None):
      if project:
          super(NotebookNotFound, self).__init__(
              "Notebook '{}' not found in project '{}'.".format(
                  notebook_id, project
              )
          )
      else:
          super(NotebookNotFound, self).__init__(
              "Notebook '{}' not found.".format(notebook_id)
          )
  
imports: from neptune.common.exceptions import STYLES
  from neptune.legacy import envs
  from neptune.legacy.exceptions import NeptuneException
label_desc: Use image node_id 1 to create a new NotebookNotFound object from inherited base classes: NeptuneApiException with example: obj = NotebookNotFound(notebook_id, project)