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Can't load module base, onchange() takes 1 positional argument but 3 were given

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Marco

Impacted versions: Odoo 12

Current behavior: Odoo fails to load server-wide module base

Expected behavior: Odoo load server-wide module 'base'

Hi,
while restarting odoo service from pycharm I have got errors starting from loading module 'web'.
It says an api.onchange call went wrong cause it needs 1 argument instead of 3 ones specified in file ir_model.py.
I've just copied addons folders from official repository to addons path.

postgresql service is running and web module.
the command launched form IDE is odoo-bin -c /home/user/Odoo/odoo-12.0/odoo.conf --dev=reload -u /home/user/Odoo/odoo-12.0/addons

I'm gonna report below my conf file and entire error.
ODOO.CONF FILE

[options]
; This is the password that allows database operations:
; admin_passwd = admin
db_host = localhost
db_port = 5432
db_user = odoo
db_password = odoo
addons_path = /home/odoovm/Odoo/odoo-12.0/addons,/home/odoovm/Odoo/odoo-12.0/master-app
xmlrpc_port = 8099

[logging]
; logfile = /home/odoovm/Odoo/odoo-12.0/logs/openerp-server.log
; logrotate = False
log-level = debug
; log-db = False
; syslog = False



LOGS

/usr/bin/python3.6 /home/odoovm/Odoo/odoo-12.0/odoo-bin -c /home/odoovm/Odoo/odoo-12.0/odoo.conf --dev=reload -u /home/odoovm/Odoo/odoo-12.0/addons

2020-06-30 14:16:30,410 6134 INFO ? odoo: Odoo version 12.0
2020-06-30 14:16:30,411 6134 INFO ? odoo: Using configuration file at /home/odoovm/Odoo/odoo-12.0/odoo.conf
2020-06-30 14:16:30,411 6134 INFO ? odoo: addons paths: ['/home/odoovm/.local/share/Odoo/addons/12.0', '/home/odoovm/Odoo/odoo-12.0/addons', '/home/odoovm/Odoo/odoo-12.0/master-app', '/home/odoovm/Odoo/odoo-12.0/odoo/addons']
2020-06-30 14:16:30,411 6134 INFO ? odoo: database: odoo@localhost:5432
2020-06-30 14:16:30,432 6134 CRITICAL ? odoo.modules.module: Couldn't load module base
2020-06-30 14:16:30,432 6134 CRITICAL ? odoo.modules.module: onchange() takes 1 positional argument but 3 were given
2020-06-30 14:16:30,432 6134 ERROR ? odoo.service.server: Failed to load server-wide module `base`.
Traceback (most recent call last):
  File "/home/odoovm/Odoo/odoo-12.0/odoo/service/server.py", line 1098, in load_server_wide_modules
    odoo.modules.module.load_openerp_module(m)
  File "/home/odoovm/Odoo/odoo-12.0/odoo/modules/module.py", line 368, in load_openerp_module
    __import__('odoo.addons.' + module_name)
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 656, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 626, in _load_backward_compatible
  File "/home/odoovm/Odoo/odoo-12.0/odoo/modules/module.py", line 82, in load_module
    exec(open(modfile, 'rb').read(), new_mod.__dict__)
  File "<string>", line 5, in <module>
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/__init__.py", line 7, in <module>
    from . import ir_model
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/ir_model.py", line 330, in <module>
    class IrModelFields(models.Model):
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/ir_model.py", line 520, in IrModelFields
    @api.onchange('ttype', 'model_id', 'relation')
TypeError: onchange() takes 1 positional argument but 3 were given
2020-06-30 14:16:30,436 6134 WARNING ? odoo.service.server: 'inotify' module not installed. Code autoreload feature is disabled
2020-06-30 14:16:30,440 6134 INFO ? odoo.service.server: HTTP service (werkzeug) running on odoovm-VirtualBox:8099
Exception in thread odoo.service.cron.cron0:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/home/odoovm/Odoo/odoo-12.0/odoo/service/server.py", line 425, in target
    self.cron_thread(i)
  File "/home/odoovm/Odoo/odoo-12.0/odoo/service/server.py", line 396, in cron_thread
    from odoo.addons.base.models.ir_cron import ir_cron
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/__init__.py", line 7, in <module>
    from . import ir_model
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/ir_model.py", line 330, in <module>
    class IrModelFields(models.Model):
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/ir_model.py", line 520, in IrModelFields
    @api.onchange('ttype', 'model_id', 'relation')
TypeError: onchange() takes 1 positional argument but 3 were given

Exception in thread odoo.service.cron.cron1:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/home/odoovm/Odoo/odoo-12.0/odoo/service/server.py", line 425, in target
    self.cron_thread(i)
  File "/home/odoovm/Odoo/odoo-12.0/odoo/service/server.py", line 396, in cron_thread
    from odoo.addons.base.models.ir_cron import ir_cron
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/__init__.py", line 7, in <module>
    from . import ir_model
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/ir_model.py", line 330, in <module>
    class IrModelFields(models.Model):
  File "/home/odoovm/Odoo/odoo-12.0/odoo/addons/base/models/ir_model.py", line 520, in IrModelFields
    @api.onchange('ttype', 'model_id', 'relation')
TypeError: onchange() takes 1 positional argument but 3 were given

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Avatar
Marco
Best Answer

Thanks Ravy for replying.

I tried to add that path in addons path but the error still be the same.
I've also tried to copy and paste from official repo branch 12.0 the entire folder odoo/odoo/addons but it doesn't change nothing.

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Ravi Gadhia
Best Answer

 I think there is an issue with addons path, 'base' module didn't include in addons path due to copy/move folder

can you try with following addons path in config file

addons_path = /home/odoovm/Odoo/odoo-12.0/odoo/addons,/home/odoovm/Odoo/odoo-12.0/addons,/home/odoovm/Odoo/odoo-12.0/master-app



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