diff --git a/tests/glm/test_glm.py b/tests/glm/test_glm.py
index 0829722e..e9d2bb3a 100644
--- a/tests/glm/test_glm.py
+++ b/tests/glm/test_glm.py
@@ -3210,7 +3210,9 @@ def test_cat_missing(cat_missing_method, unseen_missing, formula):
         fit_intercept=False,
     )
     if cat_missing_method == "fail" and not unseen_missing:
-        with pytest.raises(ValueError, match="Categorical data can't have missing values"):
+        with pytest.raises(
+            ValueError, match="Categorical data can't have missing values"
+        ):
             model.fit(X, y)
     else:
         model.fit(X, y)
@@ -3224,7 +3226,9 @@ def test_cat_missing(cat_missing_method, unseen_missing, formula):
         assert len(model.coef_) == len(feature_names)
 
         if cat_missing_method == "fail" and unseen_missing:
-            with pytest.raises(ValueError, match="Categorical data can't have missing values"):
+            with pytest.raises(
+                ValueError, match="Categorical data can't have missing values"
+            ):
                 model.predict(X_unseen)
         elif cat_missing_method == "convert" and unseen_missing:
             with pytest.raises(ValueError, match="contains unseen categories"):