MT#57906 repoapi: fix error on error :-(

> task_failed                    [django_structlog.celery.receivers] error=local variable 'res' referenced before assignment

> Jul 25 13:45:43 repoapi2.mgm.sipwise.com celery[3308230]: Error HTTP                     [repoapi.utils] error=404 Client Error: Not Found for url: https://jenkins.mgm.sipwise.com/job/ngcp-status-get-code-get-code/buildWithParameters?token=sipwise_jenkins_ci&cause=release-mr10.5-update&uuid=c5701419-d401-4e04-bca5-05cc0ce7a7ba&release_uuid=4e94fdb8-6491-4f86-8ba9-b1e2515a2d61&branch=mr10.5&tag=none&release=release-mr10.5-update&distribution=bullseye filename=utils.py func_name=open_jenkins_url ip=10.10.26.23 lineno=80 request_id=3fc311cf-b6e1-4b26-8fac-a6d360fdc764 task_id=3d9b4ba8-009f-42a9-8530-2db1b81c5d17 user_id=22

Change-Id: Ie6c945cf799e7a1d7d555ec724435b2b5c5ccd54

repoapi/utils.py

@@ -77,7 +77,7 @@ def open_jenkins_url(url):
         logger.debug("OK", status_code=res.status_code)
         return True
     except requests.HTTPError as e:
-        logger.error("Error %s", e, status_code=res.status_code)
+        logger.error("Error HTTP", error=str(e))
     except Exception as e:
         logger.error("Fatal error retrieving:", error=str(e))