code: def warn_unnamed_column(column_id, new_column_name):
      warnings.warn(
          'Column %i has no name. Using "%s".'
          % (column_id, new_column_name),
          UnnamedColumnWarning,
          stacklevel=2,
      )
  
file_path: agate/agate/warns.py
imports: import warnings
label_desc: Use image node_id 3 for calling a global function with example usage: warn_unnamed_column(column_id, new_column_name) without return types