fix numpy deprecation

src/yasa/others.py

@@ -474,7 +474,7 @@ def get_centered_indices(data, idx, npts_before, npts_after):
 
     def rng(x):
         """Create a range before and after a given value."""
-        return np.arange(x - npts_before, x + npts_after + 1, dtype="int")
+        return np.arange(x[0] - npts_before, x[0] + npts_after + 1, dtype="int")
 
     idx_ep = np.apply_along_axis(rng, 1, idx[..., np.newaxis])
     # We drop the events for which the indices exceed data