[TMP] l10n_br_nfe_spec: dependency hack

before v15 the dependency on the spec_driven_model opiniated module
is avoided and spec.mixin is inherited ib _build_model dynamically.
But as this is still broken, this work around make things work.

l10n_br_nfe_spec/__manifest__.py

@@ -5,7 +5,7 @@
     "license": "LGPL-3",
     "category": "Accounting",
     "summary": "nfe spec",
-    "depends": ["base"],
+    "depends": ["base", "spec_driven_model"],
     "installable": True,
     "application": False,
     "development_status": "Mature",

l10n_br_nfe_spec/models/spec_models.py

@@ -7,6 +7,7 @@
 class NfeSpecMixin(models.AbstractModel):
     _description = "Abstract Model"
     _name = "spec.mixin.nfe"
+    _inherit = "spec.mixin"
     _field_prefix = "nfe40_"
     _schema_name = "nfe"
     _schema_version = "4.0.0"