Reformat common to standardized format

Change-Id: I9ba54f3510e17de285e1e774d18ee5c7205818ad
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osm_common/__init__.py b/osm_common/__init__.py
index 96de80f..8bc5507 100644
--- a/osm_common/__init__.py
+++ b/osm_common/__init__.py
@@ -15,12 +15,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-version = '7.0.0.post4'
-date_version = '2019-01-21'
+version = "7.0.0.post4"
+date_version = "2019-01-21"
 
 # try to get version from installed package. Skip if fails
 try:
     from pkg_resources import get_distribution
+
     version = get_distribution("osm_common").version
 except Exception:
     pass