[fix] Corrections ruff CI (UP017/UP041/UP012/I001/F401/FURB162) : backend/webhooks.py

backend/webhooks.py

@@ -31,7 +31,7 @@ import os
 import socket
 import threading
 import uuid
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from pathlib import Path
 from urllib.parse import urlparse
 
@@ -275,7 +275,7 @@ def create_webhook(
             "url": url,
             "events": [e for e in events if e in VALID_EVENTS],
             "enabled": True,
-            "created_at": datetime.now(timezone.utc).isoformat(),
+            "created_at": datetime.now(UTC).isoformat(),
             "last_fired_at": None,
             # #198 : filtres optionnels (None = pas de filtre, reçoit tout).
             "vault": _normalize_vault_filter(vault),
@@ -344,7 +344,7 @@ async def dispatch_webhooks(event_type: str, data: dict):
 
     payload = {
         "event": event_type,
-        "timestamp": datetime.now(timezone.utc).isoformat(),
+        "timestamp": datetime.now(UTC).isoformat(),
         "data": data,
     }
     body = json.dumps(payload, default=str)
@@ -369,7 +369,7 @@ async def dispatch_webhooks(event_type: str, data: dict):
                     logger.debug(f"Webhook '{wh['name']}' OK ({resp.status})")
                 else:
                     logger.warning(f"Webhook '{wh['name']}' failed ({resp.status})")
-            update_webhook(wh["id"], {"last_fired_at": datetime.now(timezone.utc).isoformat()})
+            update_webhook(wh["id"], {"last_fired_at": datetime.now(UTC).isoformat()})
         except Exception as e:
             logger.warning(f"Webhook '{wh['name']}' error: {e}")