doc: silence warning caused by sphinx-tabs

Workaround executablebooks/sphinx-tabs#197

Signed-off-by: Simon Deziel <[email protected]>

doc/custom_conf.py

@@ -6,6 +6,10 @@
 from git import Repo
 import filecmp
 
+# XXX: workaround for https://github.com/executablebooks/sphinx-tabs/issues/197
+import warnings
+warnings.filterwarnings("ignore", message='The str interface for _JavaScript objects is deprecated. Use js.filename instead.')
+
 # Custom configuration for the Sphinx documentation builder.
 # All configuration specific to your project should be done in this file.
 #