関連ワード:  error 111 connection refused python    errno 111 connection refused python    connectionrefusederror errno 111 connection refused python    errno 111 connection refused socket python    connectionrefusederror errno 111 connection refused python requests    connectionrefusederror errno 111 connection refused python socket    python urlopen error errno 111 connection refused    python socket.error errno 111 connection refused    error code 111 connection refused    why do i get connection refused