Fix deprecation warning from datetime (#847)

dask · Jan 20, 2025 · da9f52a · da9f52a
1 parent 9ebad4d
commit da9f52a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/dask-gateway-server/dask_gateway_server/tls.py b/dask-gateway-server/dask_gateway_server/tls.py
@@ -1,4 +1,4 @@
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 
 from cryptography import x509
 from cryptography.hazmat.backends import default_backend
@@ -40,7 +40,7 @@ def new_keypair(sni):
             x509.DNSName("skein-internal"),
         ]
     )
-    now = datetime.utcnow()
+    now = datetime.now(timezone.utc)
     cert = (
         x509.CertificateBuilder()
         .subject_name(dask_internal)