diff --git a/tests/conftest.py b/tests/conftest.py
index d872d7c..e222642 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -15,6 +15,7 @@
 def pytest_report_header(config):
     return "OpenSSL: {}".format(openssl_backend.openssl_version_text())
 
+
 def pytest_generate_tests(metafunc):
     if "backend" in metafunc.fixturenames:
         names = metafunc.config.getoption("--backend")