Error instalando ecommerce

error.py

    return checked_call(self.db, *args, **kwargs)
  File "/home/nhomar/odoo/odoo/service/model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/nhomar/odoo/odoo/http.py", line 338, in checked_call
    result.flatten()
  File "/home/nhomar/odoo/odoo/http.py", line 1267, in flatten
    self.response.append(self.render())
  File "/home/nhomar/odoo/odoo/http.py", line 1260, in render
    return env["ir.ui.view"].render_template(self.template, self.qcontext)
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_ui_view.py", line 1189, in render_template
    return self.browse(self.get_view_id(template)).render(values, engine)
  File "/home/nhomar/odoo/addons/website/models/ir_ui_view.py", line 113, in render
    return super(View, self).render(values, engine=engine)
  File "/home/nhomar/odoo/addons/web_editor/models/ir_ui_view.py", line 27, in render
    return super(IrUiView, self).render(values=values, engine=engine)
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_ui_view.py", line 1198, in render
    return self.env[engine].render(self.id, qcontext)
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_qweb/ir_qweb.py", line 57, in render
    return super(IrQWeb, self).render(id_or_xml_id, values=values, **context)
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 271, in render
    self.compile(template, options)(self, body.append, values or {})
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 343, in _compiled_fn
    raise e
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 341, in _compiled_fn
    return compiled(self, append, new, options, log)
  File "<template>", line 1, in template_722_3
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 348, in _compiled_fn
    raise QWebException("Error to render compiling AST", e, path, node and etree.tostring(node[0], encoding='unicode'), name)
odoo.addons.base.ir.ir_qweb.qweb.QWebException: 'EndPoint' object is not iterable
Traceback (most recent call last):
  File "/home/nhomar/odoo/odoo/addons/base/ir/ir_qweb/qweb.py", line 341, in _compiled_fn
    return compiled(self, append, new, options, log)
  File "<template>", line 1, in template_website_layout_33
  File "<template>", line 2, in body_call_content_32
  File "<template>", line 19, in set_15
  File "/home/nhomar/odoo/addons/website/models/website.py", line 355, in get_alternate_languages
    uri = get_url_localized(router, code) if request.endpoint else request.httprequest.path
  File "/home/nhomar/odoo/addons/website/models/website.py", line 348, in get_url_localized
    return router.build(request.endpoint, arguments)
  File "/usr/local/lib/python3.6/dist-packages/werkzeug/routing.py", line 1758, in build
    raise BuildError(endpoint, values, method, self)
  File "/usr/local/lib/python3.6/dist-packages/werkzeug/routing.py", line 263, in __init__
    self.suggested = self.closest_rule(adapter)
  File "/usr/local/lib/python3.6/dist-packages/werkzeug/routing.py", line 276, in closest_rule
    return max(adapter.map._rules, key=score_rule)
  File "/usr/local/lib/python3.6/dist-packages/werkzeug/routing.py", line 269, in score_rule
    None, rule.endpoint, self.endpoint
  File "/usr/lib/python3.6/difflib.py", line 213, in __init__
    self.set_seqs(a, b)
  File "/usr/lib/python3.6/difflib.py", line 225, in set_seqs
    self.set_seq2(b)
  File "/usr/lib/python3.6/difflib.py", line 279, in set_seq2
    self.__chain_b()
  File "/usr/lib/python3.6/difflib.py", line 311, in __chain_b
    for i, elt in enumerate(b):
TypeError: 'EndPoint' object is not iterable

Error to render compiling AST
TypeError: 'EndPoint' object is not iterable
Template: website.layout
Path: /templates/t/t/t[5]/t[5]/t
Node: <t t-foreach="website.get_alternate_languages(request.httprequest)" t-as="lg">
                    <link rel="alternate" t-att-hreflang="lg['hreflang']" t-att-href="lg['href']" data-oe-model="ir.ui.view" data-oe-id="730" data-oe-field="arch" data-oe-xpath="/data/xpath[2]/t/t[5]/t[1]/link[1]"/>
                </t>