minor spelling changes

Change-Id: I173d9a04049d88b2a9f5c87b6dc82ef057482fe4
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/osm_common/__init__.py b/osm_common/__init__.py
index 8bdb9f5..96de80f 100644
--- a/osm_common/__init__.py
+++ b/osm_common/__init__.py
@@ -15,8 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-version = '7.0.0.post2'
-date_version = '2019-12-20'
+version = '7.0.0.post4'
+date_version = '2019-01-21'
 
 # try to get version from installed package. Skip if fails
 try: