Fix Sphinx-gallery display and pin sphinx-related packages

docs/requirements.txt

@@ -1,5 +1,5 @@
 Jinja2<3.1.0
-sphinx==3.5.4
+sphinx==5.1.1
 -e git+https://github.com/pytorch/pytorch_sphinx_theme.git@cece053#egg=pytorch_sphinx_theme
+sphinx_gallery==0.11.1
 matplotlib
-sphinx_gallery

docs/source/_static/css/pytorch_theme.css

@@ -115,3 +115,12 @@ nav .hidden-section {
 .wy-side-nav-search>div.version {
     color: #000;
 }
+
+/* Fix for Sphinx gallery 0.11
+See https://github.com/sphinx-gallery/sphinx-gallery/issues/990
+*/
+article.pytorch-article .sphx-glr-thumbnails .sphx-glr-thumbcontainer {
+    width: unset;
+    margin-right: 0;
+    margin-left: 0;
+}

docs/source/conf.py

@@ -145,13 +145,6 @@ def _get_pattern():
     version = f"Nightly Build ({torchtext.__version__})"
     release = "nightly"
 
-# The language for content autogenerated by Sphinx. Refer to documentation
-# for a list of supported languages.
-#
-# This is also used if you do content translation via gettext catalogs.
-# Usually you set "language" from the command line for these cases.
-language = None
-
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This patterns also effect to html_static_path and html_extra_path