Add ipykernel to Sphinx requirements

mgeier · web-flow · commit 4555437cbf80 · 2021-01-06T15:49:38.000+01:00
I'm not sure whether this is sufficient, but with a bit of luck, this will lead to a working syntax highlighting in code cells.
diff --git a/sphinx_requirements.txt b/sphinx_requirements.txt
@@ -1,2 +1,3 @@
 nbsphinx
 recommonmark
+ipykernel
