More typing and default version for hatch

models/ir_model_data.py

@@ -19,7 +19,8 @@
 ##############################################################################
 
 import uuid
+from typing import Final
 
 from odoo import api, models  # type: ignore[import-untyped]
 
 # Xrefs are stored within "ir.model.data" with this module name.
@@ -22,8 +23,8 @@
 
 from odoo import api, models  # type: ignore[import-untyped]
 
 # Xrefs are stored within "ir.model.data" with this module name.
-_XREF_IMD_MODULE = "__converter__"
+_XREF_IMD_MODULE: Final[str] = "__converter__"
 
 
 class IrModelData(models.BaseModel):