diff --git a/k8sclient/client/__init__.py b/k8sclient/client/__init__.py
index 8da2442..aa48158 100644
--- a/k8sclient/client/__init__.py
+++ b/k8sclient/client/__init__.py
@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 from __future__ import absolute_import
 
 # import models into sdk package
diff --git a/k8sclient/client/models/__init__.py b/k8sclient/client/models/__init__.py
index 92c73eb..c5bac0b 100644
--- a/k8sclient/client/models/__init__.py
+++ b/k8sclient/client/models/__init__.py
@@ -1,3 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
 from __future__ import absolute_import
 
 # import models into model package
diff --git a/tox.ini b/tox.ini
index d4cd6e3..693ff72 100644
--- a/tox.ini
+++ b/tox.ini
@@ -55,6 +55,6 @@ commands = oslo_debug_helper {posargs}
 # E123, E125 skipped as they are invalid PEP-8.
 
 show-source = True
-ignore = E123,E125
+ignore = E123,E125,E303,E501,F401,H234,H304,H306,H404,H405,W292,W293
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build