Skip sign check in module init and migration, fixing the case of modu…

…le installation when accounts are already created (otherwise installation is blocked)

l10n_it_account/models/account_group.py

@@ -41,6 +41,8 @@ def check_balance_sign_coherence(self):
         """
         # Force recursion check
         self.check_parent_recursion()
+        if self.env.context.get("skip_check_balance_sign_coherence"):
+            return
         done_group_ids, progenitor_ids = [], []
         for group in self:
             if group.id in done_group_ids:

l10n_it_account/models/account_type.py

@@ -28,7 +28,8 @@ def set_account_types_negative_sign(self):
         for xml_id in ACCOUNT_TYPES_NEGATIVE_SIGN:
             acc_type = self.env.ref(xml_id, raise_if_not_found=False)
             if acc_type:
-                acc_type.account_balance_sign = -1
+                acc_type.with_context(
+                    skip_check_balance_sign_coherence=True).account_balance_sign = -1
 
     @api.constrains('account_balance_sign')
     def check_balance_sign_value(self):