:param manager: Neo4jDBSessionManager
    :param prop: Property to index
    :param node_type: Label to create index on

    :type manager: Neo4jDBSessionManager
    :type prop: str
    :type node_type: str

def create_index(manager, prop, node_type='Node'):
    """
    :param manager: Neo4jDBSessionManager
    :param prop: Property to index
    :param node_type: Label to create index on

    :type manager: Neo4jDBSessionManager
    :type prop: str
    :type node_type: str
    """
    with manager.session as s:
        s.run('CREATE INDEX ON :{node_type}({prop})'.format(node_type=node_type, prop=prop))