remove _secure_filename

    return hsh.hexdigest()

def _secure_filename(filename: str) -> str:

    filename = normalize("NFKD", filename).encode("ascii", "ignore")

    filename = filename.decode("ascii")

    for sep in os.path.sep, os.path.altsep:

        if sep:

            filename = filename.replace(sep, " ")

    _filename_ascii_strip_re = re.compile(r"[^A-Za-z0-9_.-]")

    filename = str(_filename_ascii_strip_re.sub("", "_".join(filename.split()))).strip(

        "._"

    )

    return filename

def _collection_from_origin_dir(

    origin_dir: str, project: models.Project

) -> Union[models.Collection, None]: