diff --git a/poetry/installation/authenticator.py b/poetry/installation/authenticator.py
index 1ba496a4a3a..3b9da20830b 100644
--- a/poetry/installation/authenticator.py
+++ b/poetry/installation/authenticator.py
@@ -17,6 +17,7 @@
     from typing import Tuple
 
     from clikit.api.io import IO
+
     from poetry.config.config import Config