deploy.py

from juju import loop
from juju.model import Model

async def main():
    model = Model()
    await model.connect_current()

    application = await model.deploy(
        'ubuntu-10',
        application_name='ubuntu',
        series='trusty',
        channel='stable',
    )

    await model.block_until(
        lambda: all(unit.workload_status == 'active'
                    for unit in application.units))

    await application.remove()
    await model.disconnect()

loop.run(main())