Module purchase demo data failed to install, installed without demo data
Traceback (most recent call last):
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/tools/convert.py", line 537, in _tag_root
    f(rec)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/tools/convert.py", line 437, in _tag_record
    record = model._load_records([data], self.mode == 'update')
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/models.py", line 5449, in _load_records
    data['record']._load_records_write(data['values'])
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/models.py", line 5367, in _load_records_write
    self.write(values)
  File "/data/build/adhoc-cicd-odoo-odoo/addons/purchase/models/purchase_order.py", line 259, in write
    res = super().write(vals)
  File "/data/build/adhoc-cicd-odoo-odoo/addons/mail/models/mail_thread.py", line 330, in write
    result = super(MailThread, self).write(values)
  File "/data/build/adhoc-cicd-odoo-odoo/addons/mail/models/mail_activity_mixin.py", line 242, in write
    return super(MailActivityMixin, self).write(vals)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/models.py", line 4754, in write
    field.write(self, value)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/fields.py", line 4446, in write
    self.write_batch([(records, value)])
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/fields.py", line 4467, in write_batch
    self.write_real(records_commands_list, create)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/fields.py", line 4662, in write_real
    flush()
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/fields.py", line 4613, in flush
    comodel.browse(to_delete).unlink()
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/models.py", line 4493, in unlink
    func(self)
  File "/data/build/adhoc-cicd-odoo-odoo/addons/purchase/models/purchase_order_line.py", line 231, in _unlink_except_purchase_or_done
    raise UserError(_('Cannot delete a purchase order line which is in state “%s”.', state_description.get(line.state)))
odoo.exceptions.UserError: Cannot delete a purchase order line which is in state “Purchase Order”.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/modules/loading.py", line 88, in load_demo
    load_data(env(su=True), idref, mode, kind='demo', package=package)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/modules/loading.py", line 70, in load_data
    tools.convert_file(env, package.name, filename, idref, mode, noupdate, kind)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/tools/convert.py", line 608, in convert_file
    convert_xml_import(env, module, fp, idref, mode, noupdate)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/tools/convert.py", line 679, in convert_xml_import
    obj.parse(doc.getroot())
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/tools/convert.py", line 594, in parse
    self._tag_root(de)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/tools/convert.py", line 537, in _tag_root
    f(rec)
  File "/data/build/adhoc-cicd-odoo-odoo/odoo/tools/convert.py", line 550, in _tag_root
    raise ParseError('while parsing %s:%s, somewhere inside\n%s' % (
odoo.tools.convert.ParseError: while parsing /data/build/adhoc-cicd-odoo-odoo/addons/purchase/data/purchase_demo.xml:193, somewhere inside
<record id="purchase_order_8" model="purchase.order">
            <field name="partner_id" ref="base.res_partner_1"/>
            <field name="user_id" ref="base.user_admin"/>
            <field name="state">purchase</field>
            <field name="create_date" eval="DateTime.today() - relativedelta(days=20)"/>
            <field name="date_order" eval="DateTime.today() - relativedelta(days=5)"/>
            <field name="date_approve" eval="DateTime.today() - relativedelta(days=9)"/>
            <field name="order_line" model="purchase.order.line" eval="[(5, 0, 0),                 (0, 0, {                     'product_id': ref('product.product_product_16'),                     'name': 'Drawer Black',                     'price_unit': 280.80,                     'product_qty': 15.0,                     'product_uom': ref('uom.product_uom_dozen'),                     'date_planned': time.strftime('%Y-%m-%d')}),                 (0, 0, {                     'product_id': ref('product.product_product_20'),                     'name': 'Flipover',                     'price_unit': 450.70,                     'product_qty': 5.0,                     'product_uom': ref('uom.product_uom_dozen'),                     'date_planned': time.strftime('%Y-%m-%d')})             ]"/>
        </record>