readthedocs build

Author: jbogaardt

pyproject.toml

@@ -60,7 +60,7 @@ docs = [
     "sphinx-rtd-theme",
     "nbsphinx",
     "numpydoc",
-    "jupyter-book",
+    "jupyter-book<2.0",  # Pin to v1.x - v2 doesn't support autodoc/autosummary yet
     "sphinx-togglebutton",
     "ipython",
     "parso>=0.8",