Tiago de Freitas Pereira
--- a/bob/pipelines/wrappers.py
+++ b/bob/pipelines/wrappers.py
            trans, leftover = _wrap(trans, **kwargs)
            estimator.steps[idx] = (name, trans)

+        # Using the leftovers as new kwargs to be consumed further
+        kwargs = leftover
        # if being wrapped with DaskWrapper, add ToDaskBag to the steps
        if DaskWrapper in bases:
            valid_params = ToDaskBag._get_param_names()
            params = {k: kwargs.pop(k) for k in valid_params if k in kwargs}
            dask_bag = ToDaskBag(**params)
            estimator.steps.insert(0, ("ToDaskBag", dask_bag))
-
+            leftover = kwargs