old_contents: from .neural._classes.model import Model
  from .neural._classes.affine import Affine
  from .neural._classes.maxout import Maxout
  from .neural._classes.softmax import Softmax
  from .neural._classes.selu import SELU
  
new_contents: from .neural._classes.model import Model
  from .neural._classes.affine import Affine
  from .neural._classes.relu import ReLu
  from .neural._classes.maxout import Maxout
  from .neural._classes.softmax import Softmax
  from .neural._classes.selu import SELU
  
subject: Add ReLu to v2v