code: def _is_column_extension_type(ca: "pyarrow.ChunkedArray") -> bool:
      """Whether the provided Arrow Table column is an extension array, using an Arrow
      extension type.
      """
      return isinstance(ca.type, pyarrow.ExtensionType)
  
label_desc: Use image node_id 1 for calling a global function with example usage: _is_column_extension_type(ca) and returns: isinstance