def _unsetLearningMode(self):
    """
    Unsets the learning mode, to start inference.
    """

    for column in self.L4Columns:
      column.setParameter("learn", 0, False)
    for column in self.L6Columns:
      column.setParameter("learn", 0, False)

    for column in self.L2Columns:
      column.setParameter("learningMode", 0, False)
    for column in self.L5Columns:
      column.setParameter("learningMode", 0, False)