def restore_caches(old):
  global FS_CACHE, MR_CACHE
  FS_CACHE, MR_CACHE = old
returns the chart at the position or the empty string,
dataset/ETHPy150Open cloudera/hue/desktop/libs/hadoop/src/hadoop/cluster.py/restore_caches--crossover with--dataset/ETHPy150Open aronwoost/sublime-expand-region/latex.py/chart_at