diff --git a/api/tests/unit/test_events.py b/api/tests/unit/test_events.py
index 7be147d..c0deef7 100644
--- a/api/tests/unit/test_events.py
+++ b/api/tests/unit/test_events.py
@@ -1,6 +1,8 @@
 import pytest
 
 import skyfield
+from skyfield import api, almanac
+from skyfield.nutationlib import iau2000b
 from skyfield.api import utc
 
 import datetime, time