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

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

Author: pre-commit-ci[bot]

mne/utils/mixin.py

@@ -538,7 +538,9 @@ def time_as_index(self, times, use_rounding=None):
             # FutureWarning,
             # )
             if index != np.round(index):
-                raise RuntimeError(f"This would have returned a different value: {index=}, different from {np.round(index)=}.")
+                raise RuntimeError(
+                    f"This would have returned a different value: {index=}, different from {np.round(index)=}."
+                )
             use_rounding = True
 
         if use_rounding: