class_docstr: Representation of the linear function.
class_docstr_tok: ["Representation","of","the","linear","function","."]
docstr: :param angle: Angle in radian.
  :param bias: Bias of the angle.
docstr_tok: [":","param","angle",":","Angle","in","radian",".",":","param","bias",":","Bias","of","the","angle","."]
code: def __init__(self, angle: float, bias: float):
      """
      :param angle: Angle in radian.
      :param bias: Bias of the angle.
      """
      self.angle = angle
      self.bias = bias
  
imports: from abc import ABC, abstractmethod
  from logging import Logger
  from pathlib import Path
  import string
  from typing import Any, Callable, List, Tuple, Union
  import numpy
label_desc: Use image node_id 1 to create a new Line object  with example: obj = Line(angle, bias)