diff --git a/.hgignore b/.gitignore
similarity index 87%
rename from .hgignore
rename to .gitignore
index e2b39b0..88532e8 100644
--- a/.hgignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-syntax: glob
+*.pyc
 build/*
 mds_cashbook_bookcategory.egg-info/*
 dist/*
diff --git a/README.rst b/README.rst
index 2745582..3960f9d 100644
--- a/README.rst
+++ b/README.rst
@@ -14,6 +14,10 @@ Requires
 Changes
 =======
 
+*7.0.6 - 19.07.2024*
+
+- updt: optimize check of permissions
+
 *7.0.5 - 06.12.2023*
 
 - fix: permissions
diff --git a/ir.py b/ir.py
index 0e71a97..182092e 100644
--- a/ir.py
+++ b/ir.py
@@ -3,7 +3,6 @@
 # The COPYRIGHT file at the top level of this repository contains the
 # full copyright notices and license terms.
 
-from trytond.transaction import Transaction
 from trytond.pool import PoolMeta
 
 
@@ -14,7 +13,9 @@ class Rule(metaclass=PoolMeta):
     def _context_modelnames(cls):
         """ list of models to add 'user_id' to context
         """
-        return super(Rule, cls)._context_modelnames() + [
-            'cashbook.bookcategory']
+        result = super(Rule, cls)._context_modelnames()
+        return result | {
+            'cashbook.bookcategory',
+        }
 
 # end Rule
diff --git a/tryton.cfg b/tryton.cfg
index 3a3738c..5677de5 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=7.0.5
+version=7.0.6
 depends:
     cashbook
 xml: