def get_morph_files(directory):
lsdir = (os.path.join(directory, m) for m in os.listdir(directory))<EOL>return list(filter(_is_morphology_file, lsdir))<EOL>
Get a list of all morphology files in a directory

    Returns:
        list with all files with extensions '.swc' , 'h5' or '.asc' (case insensitive)