class_docstr: Representation of the linear function.
class_docstr_tok: ["Representation","of","the","linear","function","."]
code: def __call__(self, x: float) -> float:
      return np.math.tan(self.angle) * x + self.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 2 for calling the Line obj's underlying member method code with example usage: obj.__call__(x) and returns: unknown