code: def loader_func(**kwargs):
      sheet_name = kwargs.pop("sheet", None)
      dfs = load_file(sheet_name=sheet_name, **kwargs)
      if sheet_name:
          if sheet_name not in dfs:
              raise Exception(
                  "Excel file loaded but there was no sheet named '{}'.".format(
                      sheet_name
                  )
              )
          return dfs[sheet_name]
      # this is required because there is no support for loading multiple datasets at once from the CLI
      # I can add this later...
      return dfs[list(dfs.keys())[0]]
  
imports: import pandas
  from dtale.app import show
  from dtale.cli.clickutils import get_loader_options, handle_path, loader_prop_keys
label_desc: Use image node_id 3 for calling a global function with example usage: loader_func() and returns: dfs, dfs