Algumas imagens na pasta static não carregam.
Peguei o projeto disponibilizado no final do capítulo pra conferir e deu a mesma coisa.
Not Found: /img/core-img/pizza.png
Not Found: /img/core-img/logo.png
[16/Jan/2020 18:13:50] "GET / HTTP/1.1" 200 7761
[16/Jan/2020 18:13:50] "GET /static/js/active.js HTTP/1.1" 200 3874
[16/Jan/2020 18:13:50] "GET /static/site.css HTTP/1.1" 200 39326
[16/Jan/2020 18:13:50] "GET /static/js/plugins/plugins.js HTTP/1.1" 200 140247
[16/Jan/2020 18:13:50] "GET /static/js/bootstrap/popper.min.js HTTP/1.1" 200 20340
[16/Jan/2020 18:13:50] "GET /static/js/bootstrap/bootstrap.min.js HTTP/1.1" 200 50676
[16/Jan/2020 18:13:50] "GET /static/js/jquery/jquery-2.2.4.min.js HTTP/1.1" 200 85582
[16/Jan/2020 18:13:50] "GET /static/img/core-img/logo.png HTTP/1.1" 200 3645
[16/Jan/2020 18:13:50] "GET /static/img/bg-img/foto_receita.png HTTP/1.1" 200 60855
Not Found: /img/core-img/pizza.png
[16/Jan/2020 18:13:50] "GET /img/core-img/pizza.png HTTP/1.1" 404 2172
Not Found: /img/core-img/logo.png
[16/Jan/2020 18:13:50] "GET /img/core-img/logo.png HTTP/1.1" 404 2169
[16/Jan/2020 18:13:50] "GET /static/css/bootstrap.min.css HTTP/1.1" 200 140421
[16/Jan/2020 18:13:50] "GET /static/css/magnific-popup.css HTTP/1.1" 200 5599
[16/Jan/2020 18:13:50] "GET /static/css/font-awesome.min.css HTTP/1.1" 200 31000
[16/Jan/2020 18:13:50] "GET /static/css/animate.css HTTP/1.1" 200 57095
[16/Jan/2020 18:13:50] "GET /static/css/owl.carousel.min.css HTTP/1.1" 200 2848
[16/Jan/2020 18:13:50] "GET /static/css/classy-nav.min.css HTTP/1.1" 200 18435
[16/Jan/2020 18:13:50] "GET /static/css/custom-icon.css HTTP/1.1" 200 2622
[16/Jan/2020 18:13:50] "GET /static/css/nice-select.min.css HTTP/1.1" 200 3117
[16/Jan/2020 18:13:50] "GET /static/fonts/fontawesome-webfont.woff2?v=4.7.0 HTTP/1.1" 200 77160
[16/Jan/2020 18:13:50] "GET /static/img/core-img/favicon.ico HTTP/1.1" 200 3968