don't use global s3 client

app/aws/s3.py

@@ -13,6 +13,7 @@ from app import job_cache, job_cache_lock
 from app.clients import AWS_CLIENT_CONFIG
 
 # from app.service.rest import get_service_by_id
+from app.utils import hilite
 from notifications_utils import aware_utcnow
 
 FILE_LOCATION_STRUCTURE = "service-{}-notify/{}.csv"
@@ -78,7 +79,9 @@ def get_s3_client():
         aws_secret_access_key=secret_key,
         region_name=region,
     )
+    current_app.logger.info(hilite("About to call session.client"))
     s3_client = session.client("s3", config=AWS_CLIENT_CONFIG)
+    current_app.logger.info(hilite("SESSION CALLED"))
     return s3_client