code: def remove_preamble_cell(self, notebook):
      preambles = [
          i
          for i, cell in enumerate(notebook["cells"])
          if "snakemake-job-properties"
          in cell["metadata"].get("tags", [])
      ]
      if len(preambles) > 1:
          raise WorkflowError(
              "More than one snakemake preamble cell found in notebook. "
              "Please clean up the notebook first, by removing all or all but one of them."
          )
      elif len(preambles) == 1:
          preamble = preambles[0]
          # remove old preamble
          del notebook["cells"][preamble]
  
imports: from abc import abstractmethod
  import os
  from pathlib import Path
  import tempfile
  import re
  from snakemake.exceptions import WorkflowError
  from snakemake.script import get_source, ScriptBase, PythonScript, RScript
  from snakemake.logging import logger
  from snakemake.common import is_local_file
  from snakemake.common import ON_WINDOWS
  from snakemake.sourcecache import SourceCache, infer_source_file
  from snakemake.utils import format
label_desc: Use image node_id 6 for calling the JupyterNotebook obj's underlying member method code with example usage: obj.remove_preamble_cell(notebook) without return types