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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _render_errors(field):
 """ Render form errors in crispy-forms style. """

    template = '{0}/layout/field_errors.html'.format(appsettings.CRISPY_TEMPLATE_PACK)
    return render_to_string(template, {
        'field': field,
        'form_show_errors': True,
    })