[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/spikeinterface/preprocessing/whiten.py

@@ -76,8 +76,9 @@ def __init__(
         dtype_ = fix_dtype(recording, dtype)
 
         if dtype_.kind == "i":
-            assert int_scale is not None, ("For recording with dtype=int you must set the output dtype to float "
-                                           " OR set a int_scale")
+            assert int_scale is not None, (
+                "For recording with dtype=int you must set the output dtype to float " " OR set a int_scale"
+            )
 
         if W is not None:
             W = np.asarray(W)