def __reversed__(self):
    node = self
    while node:
      yield node
      node = node.previous
Return slice of array from start to end time, in seconds. 
dataset/ETHPy150Open google/closure-linter/closure_linter/common/tokens.py/Token.__reversed__--crossover with--dataset/ETHPy150Open kdart/pycopia/QA/pycopia/dataset.py/timeslice_array