def __init__(self, name, key, indexer=None):
    if indexer is not None:
      assert isinstance(indexer, indexers.BreadcrumbIndexer) or \
          isinstance(indexer, indexers.LocationIndexer)
    super(LatLngColumn, self).__init__(name, key, 'S', indexer=indexer)
Construct a new Screen from a curses windows.
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/schema.py/LatLngColumn.__init__--crossover with--dataset/ETHPy150Open peterbrittain/asciimatics/asciimatics/screen.py/Screen.from_curses