class_docstr: A one-dimensional frame.
  
  Frames with only a single column share certain logic that is encoded in
  this class.
code: def __bool__(self):
      raise TypeError(
          f"The truth value of a {type(self)} is ambiguous. Use "
          "a.empty, a.bool(), a.item(), a.any() or a.all()."
      )
  
imports: from __future__ import annotations
  import warnings
  from typing import Any, Dict, Optional, Tuple, Union
  import cupy
  import numpy
  import cudf
  from cudf._typing import Dtype, NotImplementedType, ScalarLike
  from cudf.api.extensions import no_default
  from cudf.api.types import _is_scalar_or_zero_d_array, is_bool_dtype, is_integer, is_integer_dtype
  from cudf.core.column import ColumnBase, as_column
  from cudf.core.frame import Frame
  from cudf.utils.nvtx_annotation import _cudf_nvtx_annotate
  from cudf.utils.utils import NotIterable
label_desc: Use image node_id 7 for calling the SingleColumnFrame obj's underlying member method code with example usage: obj.__bool__() without return types