diff --git a/src/spikeinterface/sortingcomponents/clustering/tdc.py b/src/spikeinterface/sortingcomponents/clustering/tdc.py
index 6c361b0562..59472d1374 100644
--- a/src/spikeinterface/sortingcomponents/clustering/tdc.py
+++ b/src/spikeinterface/sortingcomponents/clustering/tdc.py
@@ -26,7 +26,6 @@
 from spikeinterface.sortingcomponents.clustering.merge import merge_clusters
 
 
-
 class TdcClustering:
     """
     Here the implementation of clustering used by tridesclous2