diff --git a/services/tune/current/app/src/agebd_tune/service.py b/services/tune/current/app/src/agebd_tune/service.py
index 3fb04b3..75b3626 100644
--- a/services/tune/current/app/src/agebd_tune/service.py
+++ b/services/tune/current/app/src/agebd_tune/service.py
@@ -2,6 +2,7 @@ import pickle  # ONLY FOR TESTING
 import time
 from time import sleep, time
 
+# TODO: fails to import (fails on import numba...)
 import nafflib
 import numpy as np
 from epics import PV