diff --git a/templates/event-generator/adapt_member_utils.sh b/templates/event-generator/adapt_member_utils.sh
index da4db52886c14e4581cb9d20b0454854b242b518..b70f7cee006669a061bf0dc730cda3da689e3914 100644
--- a/templates/event-generator/adapt_member_utils.sh
+++ b/templates/event-generator/adapt_member_utils.sh
@@ -143,6 +143,8 @@ function integrate_sst_to_extpar() {
 from enstools.io import read
 import os
 import numpy as np
+from datetime import datetime, timedelta
+import xarray as xr
 
 os.environ['ECCODES_GRIB_NO_INDEX'] = '1'
 # Open files