error en rental_repair

[pcastelovigo]

Traceback (most recent call last):
File "/home/hugo/odoo15/odoo/addons/base/models/ir_http.py", line 242, in _dispatch
result = request.dispatch()
File "/home/hugo/odoo15/odoo/http.py", line 702, in dispatch
result = self._call_function(**self.params)
File "/home/hugo/odoo15/odoo/http.py", line 368, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/home/hugo/odoo15/odoo/service/model.py", line 94, in wrapper
return f(dbname, *args, **kwargs)
File "/home/hugo/odoo15/odoo/http.py", line 357, in checked_call
result = self.endpoint(*a, **kw)
File "/home/hugo/odoo15/odoo/http.py", line 925, in call
return self.method(*args, **kw)
File "/home/hugo/odoo15/odoo/http.py", line 546, in response_wrap
response = f(*args, **kw)
File "/home/hugo/16_SERVICIO_ERP/odoo-zverp/addons/web/controllers/main.py", line 1324, in call_kw
return self._call_kw(model, method, args, kwargs)
File "/home/hugo/16_SERVICIO_ERP/odoo-zverp/addons/web/controllers/main.py", line 1316, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "/home/hugo/odoo15/odoo/api.py", line 471, in call_kw
result = _call_kw_multi(method, model, args, kwargs)
File "/home/hugo/odoo15/odoo/api.py", line 456, in _call_kw_multi
result = method(recs, *args, **kwargs)
File "/home/hugo/odoo15/odoo/models.py", line 6523, in onchange
record._onchange_eval(name, field_onchange[name], result)
File "/home/hugo/odoo15/odoo/models.py", line 6256, in _onchange_eval
method_res = method(self)
File "/home/hugo/16_SERVICIO_ERP/odoo-zverp/addons/rental_repair/models/project.py", line 72, in _onchange_partner_id
super(ProjectTask, self)._onchange_partner_id()
Exception

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/hugo/odoo15/odoo/http.py", line 658, in _handle_exception
return super(JsonRequest, self)._handle_exception(exception)
File "/home/hugo/odoo15/odoo/http.py", line 301, in _handle_exception
raise exception.with_traceback(None) from new_cause
AttributeError: 'super' object has no attribute '_onchange_partner_id'