diff --git a/rubin_sim/satellite_constellations/model_observatory.py b/rubin_sim/satellite_constellations/model_observatory.py
index 079bc8df..43186f9a 100644
--- a/rubin_sim/satellite_constellations/model_observatory.py
+++ b/rubin_sim/satellite_constellations/model_observatory.py
@@ -3,7 +3,6 @@
 import numpy as np
 from rubin_scheduler.scheduler.model_observatory import ModelObservatory as oMO
 from rubin_scheduler.site_models import Almanac
-
 from rubin_scheduler.utils import SURVEY_START_MJD, _healbin
 
 # Take the model observatory from the scheduler and
diff --git a/rubin_sim/satellite_constellations/sat_utils.py b/rubin_sim/satellite_constellations/sat_utils.py
index 65a0b903..2f63c7e6 100644
--- a/rubin_sim/satellite_constellations/sat_utils.py
+++ b/rubin_sim/satellite_constellations/sat_utils.py
@@ -10,7 +10,6 @@
 import numpy as np
 from astropy import constants as const
 from astropy import units as u
-
 from rubin_scheduler.utils import SURVEY_START_MJD, Site, gnomonic_project_toxy, point_to_line_distance
 from shapely.geometry import LineString, Point
 from skyfield.api import EarthSatellite, load, wgs84
diff --git a/tests/satellite_constellations/test_satellites.py b/tests/satellite_constellations/test_satellites.py
index c890f894..6812797c 100644
--- a/tests/satellite_constellations/test_satellites.py
+++ b/tests/satellite_constellations/test_satellites.py
@@ -12,8 +12,12 @@ def test_constellations(self):
 
         mjd0 = SURVEY_START_MJD
         sv1 = starlink_tles_v1()
-        _ = starlink_tles_v2()
-        _ = oneweb_tles()
+        sv2 = starlink_tles_v2()
+        onw = oneweb_tles()
+
+        assert sv1 is not None
+        assert sv2 is not None
+        assert onw is not None
 
         const = Constellation(sv1)