diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..63d810d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,29 @@
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# dependencies
+/build
+/dist
+*egg-info
+
+
+/node_modules
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+
+.DS_Store
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+package-lock*
+
+/__pycache__
+/app/__pycache__
+/app/commons/__pycache__
diff --git a/bom.py b/bom.py
index 1a6c779..9e05806 100644
--- a/bom.py
+++ b/bom.py
@@ -1,6 +1,6 @@
# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
-from trytond.model import ModelView, ModelSQL, fields
+from trytond.model import fields
from trytond.pool import PoolMeta
from decimal import Decimal
diff --git a/view/sale_pos_form.xml b/view/sale_pos_form.xml
index 017333e..2ccf612 100644
--- a/view/sale_pos_form.xml
+++ b/view/sale_pos_form.xml
@@ -10,7 +10,7 @@ copyright notices and license terms. -->
-
+