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pyppeteerにてヘッドレスChromeが勝手に落ちてpyppeteer.errors.NetworkError: Protocol error Target.sendMessageToTarget: Target closed.となった場合の対処法

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開発環境

OS: macOS Mojave 10.14.5
言語: python 3.7.2

エラーの内容

pyppeteerを使ってheadlessのChromeブラウザを立ち上げ、データフレームに格納されたリンクに順番にジャンプするプログラムを書いた。
csvファイルはこちら

import asyncio
from pyppeteer import launch
import pandas as pd
import time

async def main():
    browser = await launch(autoClose=False,headless=False,args=['--no-sandbox'])
    page = await browser.newPage()

    linkData = pd.read_csv('ファイルのパス',usecols=[1])
    print(linkData)

    for i, row in linkData.iterrows():
        await page.goto(str(row[0]))
        time.sleep(1)

    await browser.close()


if __name__=='__main__':
    asyncio.run(main())

途中でブラウザが閉じてしまい、うまく動かない。
エラーは以下。

pyppeteer.errors.NetworkError: Protocol error Target.sendMessageToTarget: Target closed.

解決法

$ pip3 install websockets==6.0 --force-reinstall

どうやらwebsocketがうまく動いていなかったらしいので、version6.0をインストールしたら解決した!

参考

pyppeteer.errors.NetworkError: Protocol error Target.activateTarget: Target closed. #171

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