delallea/Theano — comment on commit 0793fd5122de27ea2bf32a735f01aed1d9d3d18c
File: theano/scan_module/scan_utils.py line 200
By delallea:

Like Razvan said. In addition, the current functions in scan_utils explicitly test for list / tuple / dict so I thought I'd keep the exact same types in the filter function.