code: def ls(bank):
      '''
      Return an iterable object containing all entries stored in the specified
      bank.
      '''
      _init_client()
      query = "SELECT etcd_key FROM {0} WHERE bank='{1}'".format(
          _table_name, bank)
      cur, _ = run_query(client, query)
      out = [row[0] for row in cur.fetchall()]
      cur.close()
      return ouf ls(bank):
      '''
      Return an iterable object containing all entries stored in the specified
      bank.
      '''
      _init_client()
      query = "SELECT etcd_key FROM {0} WHERE bank='{1}'".format(
          _table_name, bank)
      cur, _ = run_query(client, query)
      out = [row[0] for row in cur.fetchall()]
      cur.close()
      return out
docs: Return an iterable object containing all entries stored in the specified
      bank.