@mixin isIE() {
    @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
        @content;
    }
}

//sass-lint:disable no-vendor-prefixes

@mixin isIE() {
    @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
        @content;
    }
}

Add sass-lint disable in mixin
Add sass-lint disable in mixin

