app/static/assets/fontawesome/scss/v4-shims.scss

/*!
 * Font Awesome Free 5.15.1 by @fontawesome - https://fontawesome.com
 * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
 */
@import 'variables';
@import 'shims';