AttributeError: module 'odoo.addons.base.models.ir_module' has no attribute 'get_values_from_terp'

Question

I was proposed to install a "*Saas Server Demo* " but that module demands a function from the odoo base module which is "ir_module.py".
*get_values_from_terp*() function is presented in base module but throws some error like,
AttributeError: module 'odoo.addons.base.models.ir_module' has no attribute 'get_values_from_terp'

Example code snippet:
* from  * odoo.addons.base.models  * import  * ir_module  * as  * A
A.get_values_from_terp(terp)

Kindly revive me to discover this issue.

AHT Jsc, Mai Pham · Accepted Answer

I guess there is a confusion here. The function get_values_from_terp() is a static method in the class Module. The class Module is defined in the file odoo/odoo/addons/base/models/ir_module.py, so the correct import statement should be:
from odoo.addons.base.models.ir_module import Module
Module.get_values_from_terp()

I only checked the code in Odoo14, Odoo12 maybe different, you may check it too

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