diff --git a/nncf/errors.py b/nncf/errors.py
index d507c3b6d79..5ddbc39be0a 100644
--- a/nncf/errors.py
+++ b/nncf/errors.py
@@ -7,7 +7,7 @@
 # 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.
+# limitations under the License. test
 
 
 class ValidationError(Exception):