def _read_url(url: str) -> bytes:
    req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
    with urllib.request.urlopen(req) as f:
        return f.read()
def _read_url(url: str) -> bytes:
    req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
    with urllib.request.urlopen(req) as f:
        return f.read()