Return list of all files within dir with specified filetype

from pathlib import Path

def all_file_type(dir_path: str, file_ext: str) -> list:
    """Returns  list of all files within dir with specified filetype
    arg 1 dir path, arg 2 : file ext"""
    str_path = Path(dir_path).glob(f"*{file_ext}")
    files = [i for i in str_path]
    return files