@task
def t1() -> schema1:
    s = schema1()
    s.open().write(pandas.DataFrame(data={'x': [1, 2], 'y': ['3', '4']}))
    return s
@task
def t1() -> schema1:
    s = schema1()
    s.open().write(pandas.DataFrame(data={'x': [1, 2], 'y': ['3', '4']}))
    return s