diff --git a/kosmorrolib/ephemerides.py b/kosmorrolib/ephemerides.py
index d19cc3c..84b195b 100644
--- a/kosmorrolib/ephemerides.py
+++ b/kosmorrolib/ephemerides.py
@@ -60,7 +60,9 @@ def _get_skyfield_to_moon_phase(
     )
 
 
-def get_moon_phase(compute_date: datetime.date = datetime.date.today(), timezone: int = 0) -> MoonPhase:
+def get_moon_phase(
+    compute_date: datetime.date = datetime.date.today(), timezone: int = 0
+) -> MoonPhase:
     earth = get_skf_objects()["earth"]
     moon = get_skf_objects()["moon"]
     sun = get_skf_objects()["sun"]