diff --git a/src/spikeinterface/core/numpyextractors.py b/src/spikeinterface/core/numpyextractors.py
index 76ee88b84c..9a04eeec37 100644
--- a/src/spikeinterface/core/numpyextractors.py
+++ b/src/spikeinterface/core/numpyextractors.py
@@ -316,6 +316,7 @@ def from_peaks(peaks, sampling_frequency, unit_ids) -> "NumpySorting":
             the sampling frequency in Hz
         unit_ids: np.array
             The unit_ids vector which is generally the channel_ids but can be different.
+
         Returns
         -------
         sorting