[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

jupyter_server/services/sessions/sessionmanager.py

@@ -325,7 +325,7 @@ async def start_kernel_for_session(
             kernel.
         type : str
             the type of the session
-            
+
         kernel_name : str
             the name of the kernel specification to use.  The default kernel name will be used if not provided.