[skip ci] Update .po files

Autobuild bot on TravisCI · Autobuild bot on TravisCI · commit 38e5e9ee1489 · 2018-11-14T14:53:27.000+09:00
diff --git a/using/unix.po b/using/unix.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 2.7\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-02-15 12:34+0900\n"
-"PO-Revision-Date: 2018-04-20 16:34+0000\n"
+"POT-Creation-Date: 2018-11-13 14:53+0900\n"
+"PO-Revision-Date: 2018-11-13 06:06+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"
@@ -239,9 +239,9 @@ msgstr "エディタと IDE"
 #: ../../using/unix.rst:144
 msgid ""
 "There are a number of IDEs that support Python programming language. Many "
-"editors and IDEs provide syntax highlighting, debugging tools, and PEP-8 "
+"editors and IDEs provide syntax highlighting, debugging tools, and :pep:`8` "
 "checks."
-msgstr "Python プログラミング言語をサポートする IDE はたくさんあります。\n多くのエディタや IDE にはシンタックスハイライト機能、デバッグツール、 PEP-8 チェック機能があります。"
+msgstr ""
 
 #: ../../using/unix.rst:147
 msgid ""
