odoo.tools.translate: no translation language detected, skipping translation

Question

Hi All,
i'm just migrating from 17 to 18 and code that's works in 17. Now returns warning
*odoo.tools.translate: no translation language detected, skipping translation *

I have my own class for bank export that not inherit from model. This is how my class looks like any idea what I should add or change?
from odoo import _
class ExportBankFormat:
def __init__(self, batch):
self.batch = batch

Oleksandr Komarov · Answer

Hi Stanislav
Try to change
from odoo import _
class ExportBankFormat:
a = _("my text") # find rows with "_("
to
from odoo.tools.translate import _, LazyTranslate
_lt = LazyTranslate(__name__, default_lang='en_US')
class ExportBankFormat:
a = _lt("my text") # change "_(" to "_lt("

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