From cedf12baebbccea762912880c4daa0d45e252a18 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 1 Jun 2022 20:28:54 +0000
Subject: [PATCH] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 jupyterhub/handlers/base.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/jupyterhub/handlers/base.py b/jupyterhub/handlers/base.py
index 5c7e4a75..5cd0a267 100644
--- a/jupyterhub/handlers/base.py
+++ b/jupyterhub/handlers/base.py
@@ -856,7 +856,9 @@ class BaseHandler(RequestHandler):
 
         if server_name:
             if '/' in server_name:
-                error_message = f"Invalid server_name (may not contain '/'): {server_name}"
+                error_message = (
+                    f"Invalid server_name (may not contain '/'): {server_name}"
+                )
                 self.log.error(error_message)
                 raise web.HTTPError(400, error_message)
             user_server_name = f'{user.name}:{server_name}'