BLD,DOC: skip broken ipython 8.1.0

ipython 8.1.0 causes the documentation build to fail because it uses features from python 3.9 Explicitly disallow pip to install this version. fixes gh-21126 xref ipython/ipython#13554
numpy · Mar 2, 2022 · 28b2a4c · 28b2a4c
1 parent 8230756
commit 28b2a4c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc_requirements.txt b/doc_requirements.txt
@@ -3,7 +3,7 @@ sphinx==4.2.0
 numpydoc==1.1.0
 pydata-sphinx-theme==0.7.2
 sphinx-panels
-ipython
+ipython!=8.1.0
 scipy
 matplotlib
 pandas