[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/prometheus/metrics.py

@@ -37,6 +37,7 @@
 
 
 from prometheus_client import Info
+
 from .._version import __version__
 
 SERVER_INFO = Info("jupyter_server_info", "Jupyter Server Version information")
@@ -46,5 +47,5 @@
     "HTTP_REQUEST_DURATION_SECONDS",
     "TERMINAL_CURRENTLY_RUNNING_TOTAL",
     "KERNEL_CURRENTLY_RUNNING_TOTAL",
-    "SERVER_INFO"
+    "SERVER_INFO",
 ]