yanwuanxin

modifying script of data_utils.py to get more top_non_dropout_de, but the result of top20 and top50 are inconsistent. modify the script as follows：  top20 result: top50 result:

I encountered an error at `model_initialize > get_similarity_network > make_GO`，after run pert_data = PertData(data_path = outdir, default_pert_graph = False). I made the following modifications, error message did not appear.