docstr: Alter the Brightness of an image
  
  Arguments
  ---------
  value : brightness factor
      =-1 = completely black
      <0 = darker
      0 = no change
      >0 = brighter
      =1 = completely white
code: def __init__(self, value):
      """
      Alter the Brightness of an image
  
      Arguments
      ---------
      value : brightness factor
          =-1 = completely black
          <0 = darker
          0 = no change
          >0 = brighter
          =1 = completely white
      """
      self.value = max(min(value, 1.0), -1.0)
  
imports: import random
  import torch
  from torchvision.transforms.functional import to_tensor
  import numpy
  from ..utils import th_random_choice
label_desc: Use image node_id 1 to create a new Brightness object  with example: obj = Brightness(value)