def __getitem__(self, other):
            return self.expr.op('->', precedence=5)(other)
Put an element into the index at key/value and overwrite it if an 
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/dialects/postgresql/hstore.py/HSTORE.comparator_factory.__getitem__--crossover with--dataset/ETHPy150Open espeed/bulbs/bulbs/neo4jserver/index.py/Index.put_unique