def timestamp(value):
    if isinstance(value, py_string):
        from pandas import Timestamp
        value = Timestamp(value)
    op = ir.Literal(value)
    return ir.TimestampScalar(op)
Like `Cocopot.endpoint` but for a blueprint.  This does not
dataset/ETHPy150Open cloudera/ibis/ibis/expr/api.py/timestamp--crossover with--dataset/ETHPy150Open zeaphoo/cocopot/cocopot/blueprints.py/Blueprint.endpoint