diff --git a/tests/conftest.py b/tests/conftest.py
index ee9813e7..d4c40c6b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -608,7 +608,6 @@ def fixture_sacc_galaxy_cwindows():
         tracers[f"lens{i}"] = (z, dndz)
 
     for i, j in upper_triangle_indices(len(src_bins_centers)):
-
         weights = (
             np.eye(ells.shape[0], nobs, dtype=np.float64)
             + np.eye(ells.shape[0], nobs, k=5, dtype=np.float64)