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Sale Line Delete Log Scenario
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Imports::

    >>> from proteus import Model, Wizard
    >>> from trytond.tests.tools import activate_modules
    >>> from trytond.modules.company.tests.tools import create_company, get_company
    >>> from trytond.modules.account.tests.tools import (
    ...     create_chart, create_fiscalyear, get_accounts)
    >>> import datetime as dt
    >>> today = dt.date.today()




Activate modules::

    >>> config = activate_modules('sale_line_delete_log')


Create company::

  >>> _ = create_company()
  >>> company = get_company()

Create fiscal years::

  >>> fiscalyear = create_fiscalyear(company, today)
  >>> fiscalyear.click('create_period')
  >>> periods = fiscalyear.periods
  >>> len(periods)
  12
  >>> period_1, period_3, period_5 = periods[0], periods[2], periods[4]