diff --git a/src/spikeinterface/exporters/to_ibl_utils.py b/src/spikeinterface/exporters/to_ibl_utils.py
index 96011a5c4f..a263222b4f 100644
--- a/src/spikeinterface/exporters/to_ibl_utils.py
+++ b/src/spikeinterface/exporters/to_ibl_utils.py
@@ -9,6 +9,7 @@
 from pathlib import Path
 import re
 
+
 def _dromedary(string) -> str:
     """
     Convert a string to camel case.  Acronyms/initialisms are preserved.