Formatting changes

    return loss

class PoissonLoss(Loss):

  """The Poisson loss function is defined as the mean of the elements of y_pred - (y_true * log(y_pred) for an input of (y_true, y_pred).

  Poisson loss is generally used for regression tasks where the data follows the poisson

    return loss

class BinaryCrossEntropy(Loss):

  """The cross entropy between pairs of probabilities.