Adding release notes and enabling import order check

Enabling Flake8 library import order check,
adding release_notes, enabling stage-test failing by tox results.

Change-Id: I490b4cb3fe5904f54d84f0ce9b41fe91ec8b4f5d
Signed-off-by: aticig <gulsum.atici@canonical.com>
diff --git a/osm_common/fslocal.py b/osm_common/fslocal.py
index ae22c6a..5bae0e9 100644
--- a/osm_common/fslocal.py
+++ b/osm_common/fslocal.py
@@ -15,14 +15,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from http import HTTPStatus
+import logging
 import os
+from shutil import rmtree
 import tarfile
 import zipfile
-import logging
 
-# import tarfile
-from http import HTTPStatus
-from shutil import rmtree
 from osm_common.fsbase import FsBase, FsException
 
 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"