diff --git a/swh/loader/cvs/cvsclient.py b/swh/loader/cvs/cvsclient.py
index 63cffa7696f7154ba0e617824526e3dab1f97dc8..04ab183d8a1f3634a637eeba977ebe8bc382421c 100644
--- a/swh/loader/cvs/cvsclient.py
+++ b/swh/loader/cvs/cvsclient.py
@@ -113,7 +113,6 @@ class CVSProtocolError(Exception):
 
 
 class CVSClient:
-
     # connection to an existing pserver might sometimes fail,
     # retrying the operation usually fixes the issue
     @retry(
diff --git a/swh/loader/cvs/tests/test_cvsclient.py b/swh/loader/cvs/tests/test_cvsclient.py
index f14783f7d8ba6704f78e8312dac4ea5a3db7f641..91328eb11eded14516bdeaa169bb3f7368c85788 100644
--- a/swh/loader/cvs/tests/test_cvsclient.py
+++ b/swh/loader/cvs/tests/test_cvsclient.py
@@ -9,7 +9,6 @@ from swh.loader.cvs.cvsclient import CVSClient
 
 
 def test_cvs_client_rlog_could_not_read_rcs_file(mocker):
-
     url = "ssh://anoncvs@anoncvs.example.org/cvsroot/src"
     file = "src/README.txt"