def fix_header(file_list: List[str]) -> None:
    """Adding Meta header to to source files

    Parameters
    ----------
    file_list : List[str]
        file list missing header
    """
    for path in file_list:
        src = ""
        with open(path) as fi:
            src = fi.read()
        with open(path, "w") as fo:
            fo.write(PY_HEADER)
            fo.write(src)
Adding Meta header to to source files

    Parameters
    ----------
    file_list : List[str]
        file list missing header
    
tests/lint/check_meta_header.py