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

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

Author: pre-commit-ci[bot]

src/probeinterface/probegroup.py

@@ -300,9 +300,9 @@ def get_slice(self, selection: np.ndarray[bool | int]) -> "ProbeGroup":
 
         selection = np.asarray(selection)
         if selection.dtype == "bool":
-            assert selection.shape == (n,), (
-                f"if array of bool given it must be the same size as the number of contacts {selection.shape} != {n}"
-            )
+            assert selection.shape == (
+                n,
+            ), f"if array of bool given it must be the same size as the number of contacts {selection.shape} != {n}"
             (selection_indices,) = np.nonzero(selection)
         elif selection.dtype.kind == "i":
             assert np.unique(selection).size == selection.size