Python 接受；“警惕”；谷歌&x27；s页。-蟒蛇硒

我知道如何使用selenium接受页面上的简单警报消息。但是我正在尝试接受下面图片中的框，只是为了删除一条特定的短信，但是Selenium不会将该框识别为警报

我只需要接受，或者单击红色箭头上的“Excluir”按钮

已尝试：

• driver.switch\u to.active\u element（）

• obj=driver.switch_至.alert

• obj.accept（）

页面上“警报”的html代码：

不包括谈话吗？
永久居民的历史使命。Não serápossível restaurálo。
取消者
排他性

<div tabindex="0" class="cdk-visually-hidden cdk-focus-trap-anchor" aria-hidden="true"></div>
<mat-dialog-container aria-modal="true" class="mat-dialog-container ng-tns-c66-94 ng-trigger ng-trigger-dialogContainer ng-star-inserted" tabindex="-1" id="mat-dialog-13" role="dialog" aria-labelledby="mat-dialog-title-13" style="transform: none;">
    <!---->
<mws-dialog _nghost-bdb-c67="" class="ng-star-inserted">
    <div _ngcontent-bdb-c67="">
        <h1 _ngcontent-bdb-c67="" class="title mat-dialog-title" mat-dialog-title="" id="mat-dialog-title-13"> Excluir esta conversa? </h1>
        <mat-dialog-content _ngcontent-bdb-c67="" class="content mat-dialog-content">
            <!---->
        <div _ngcontent-bdb-c67="" class="ng-star-inserted" style="">Todo o histórico de mensagens será removido permanentemente. Não será possível restaurá-lo.</div>
            <!---->
            </mat-dialog-content><mat-dialog-actions _ngcontent-bdb-c67="" class="actions mat-dialog-actions">
                <!---->
                <button _ngcontent-bdb-c67="" class="action-button cancel mat-focus-indicator mat-button mat-button-base ng-star-inserted" data-e2e-action-button-cancel="" mat-button="" style="">
                    <span class="mat-button-wrapper"> Cancelar </span>
                    <span class="mat-button-ripple mat-ripple" matripple=""></span>
                    <span class="mat-button-focus-overlay"></span>
                </button>
                <!---->
                <button _ngcontent-bdb-c67="" class="action-button confirm mat-focus-indicator mat-button mat-button-base ng-star-inserted" data-e2e-action-button-confirm="" mat-button="" style="">
                    <span class="mat-button-wrapper"> Excluir </span>
                    <span class="mat-button-ripple mat-ripple" matripple=""></span>
                    <span class="mat-button-focus-overlay"></span>
                </button>
                <!---->
            </mat-dialog-actions>
        </div>
</mws-dialog></mat-dialog-container>
<div tabindex="0" class="cdk-visually-hidden cdk-focus-trap-anchor" aria-hidden="true"></div>