From f70f0ec13f509877937e8c2243b4bf1442aea755 Mon Sep 17 00:00:00 2001
From: Eric Larson <larson.eric.d@gmail.com>
Date: Fri, 15 Jun 2018 13:07:14 -0400
Subject: [PATCH] FIX for sphinx 1.8.0 dev (#391)

---
 .gitignore                        | 1 +
 sphinx_gallery/tests/test_full.py | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 6a1cb61ff..153632169 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@ htmlcov/
 nosetests.xml
 coverage.xml
 *.orig
+.pytest_cache
 
 # Translations
 *.mo
diff --git a/sphinx_gallery/tests/test_full.py b/sphinx_gallery/tests/test_full.py
index 9bea6b29d..5d7e0fd10 100644
--- a/sphinx_gallery/tests/test_full.py
+++ b/sphinx_gallery/tests/test_full.py
@@ -12,6 +12,7 @@
 import shutil
 
 from sphinx.application import Sphinx
+from sphinx.util.docutils import docutils_namespace
 
 import pytest
 
@@ -31,7 +32,12 @@ def ignore(src, names):
     conf_dir = temp_dir
     out_dir = op.join(temp_dir, '_build', 'html')
     toctrees_dir = op.join(temp_dir, '_build', 'toctrees')
-    app = Sphinx(src_dir, conf_dir, out_dir, toctrees_dir, buildername='html')
+    # Avoid warnings about re-registration, see:
+    # https://github.com/sphinx-doc/sphinx/issues/5038
+    with docutils_namespace():
+        app = Sphinx(src_dir, conf_dir, out_dir, toctrees_dir,
+                     buildername='html')
+
     app.build(False, [])
     return app