[skip ci] Update .po files

Autobuild bot on TravisCI · Autobuild bot on TravisCI · commit a0dfaf423825 · 2019-10-16T17:47:42.000+09:00
diff --git a/sphinx.po b/sphinx.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 2.7\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-06-05 16:41+0900\n"
-"PO-Revision-Date: 2019-09-01 05:18+0000\n"
+"POT-Creation-Date: 2019-10-15 17:48+0900\n"
+"PO-Revision-Date: 2019-10-15 08:51+0000\n"
 "Last-Translator: tomo\n"
 "Language-Team: Japanese (http://www.transifex.com/python-doc/python-27/language/ja/)\n"
 "MIME-Version: 1.0\n"
@@ -316,8 +316,8 @@ msgid "Python 3.9 (in development)"
 msgstr "Python 3.9 (in development)"
 
 #: ../../tools/templates/indexsidebar.html:6
-msgid "Python 3.8 (pre-release)"
-msgstr "Python 3.8 (pre-release)"
+msgid "Python 3.8 (stable)"
+msgstr ""
 
 #: ../../tools/templates/indexsidebar.html:7
 msgid "Python 3.7 (stable)"
