docs: Provide missing python requirement

2020-08-29 02:50:55 +08:00 · 2020-08-29 02:50:55 +08:00 · 1f565c2313
commit 1f565c2313
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@ -3,6 +3,7 @@
 #
 sphinx==2.3.1
 breathe==4.14.1
+sphinx-copybutton==0.3.0
 sphinx-notfound-page
 sphinxcontrib-blockdiag==2.0.0
 sphinxcontrib-seqdiag==2.0.0