diff --git a/book/_config.yml b/book/_config.yml
index 35e24a30c5defafc0ab7b1b7a313e61cad835a79..93a0a23e5d2dcf9a2d7e6f8df33ae95ae78449b9 100644
--- a/book/_config.yml
+++ b/book/_config.yml
@@ -20,7 +20,7 @@ sphinx:
     - https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.4/require.min.js
     thebe_config:
       use_thebe_lite: true
-      exclude_patterns: 
+      exclude_patterns: []
       # exclude_patterns: ["**/_*.yml", "**/*.md", "**/*.ipynb", "**/*.zip", "**.gif", "**/*.jpg", "**/*.tif", "**/*.shp", "**/*.pickle", "**/*.geojson"]
     html_theme_options:
       repository_url: "https://gitlab.tudelft.nl/mude/book"