<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def migrate(module=None):
 """ Entrypoint to migrate the schema. For the moment only create tables. """

    if not module:
        #Parsing
        parser = argparse.ArgumentParser()
        parser.add_argument('-s', '--service', type=str, help='Migrate the module', required=True,
                            dest='module')
        args = parser.parse_args()
        module = args.module
    #1. Load settings
    farine.settings.load()
    #2. Load the module
    models = farine.discovery.import_models(module)
    #3. Get the connection
    db = farine.connectors.sql.setup(getattr(farine.settings, module))
    #4. Create tables
    for model in models:
        model._meta.database = db
        model.create_table(fail_silently=True)