diff --git a/py21cmsense/observatory.py b/py21cmsense/observatory.py
index 596dbb3..6efab69 100644
--- a/py21cmsense/observatory.py
+++ b/py21cmsense/observatory.py
@@ -266,7 +266,6 @@ def get_redundant_baselines(
             disable=not config.PROGRESS,
         ):
             for j in range(i + 1, self.n_antennas):
-
                 bl_len = self.baseline_lengths[i, j]  # in wavelengths
                 if bl_len < bl_min or bl_len > bl_max:
                     continue
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 7d9800b..17b1fa4 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -50,7 +50,6 @@ def sensitivity_config(tmpdirec, observation_config):
 
 
 def test_gridding_baselines(runner, observation_config, tmpdirec):
-
     output = runner.invoke(
         cli.main, ["grid-baselines", observation_config, "--direc", str(tmpdirec)]
     )