diff --git a/mddatasetbuilder/__main__.py b/mddatasetbuilder/__main__.py
index 03c4b37..115f534 100644
--- a/mddatasetbuilder/__main__.py
+++ b/mddatasetbuilder/__main__.py
@@ -1,4 +1,5 @@
 """Module entry point."""
+
 from .datasetbuilder import _commandline
 
 if __name__ == "__main__":