[skip ci] Update .po files

Autobuild bot on TravisCI · Autobuild bot on TravisCI · commit 2ff7f6fcabe1 · 2018-05-17T13:17:46.000+09:00
diff --git a/library/io.po b/library/io.po
@@ -9,8 +9,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 2.7\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-01-21 01:52+0900\n"
-"PO-Revision-Date: 2017-10-19 13:53+0000\n"
+"POT-Creation-Date: 2018-05-15 13:55+0900\n"
+"PO-Revision-Date: 2018-05-15 05:03+0000\n"
 "Last-Translator: cocoatomo\n"
 "Language-Team: Japanese (http://www.transifex.com/python-doc/python-27/language/ja/)\n"
 "MIME-Version: 1.0\n"
@@ -1142,8 +1142,8 @@ msgstr "ストリームからの入力を読み込んでいる時、*newline* 
 #: ../../library/io.rst:811
 msgid ""
 "If *line_buffering* is ``True``, :meth:`flush` is implied when a call to "
-"write contains a newline character."
-msgstr "*line_buffering* が ``True`` の場合、 write への呼び出しが改行文字を含んでいれば :meth:`flush` がそれに伴って呼び出されます。"
+"write contains a newline character or a carriage return."
+msgstr ""
 
 #: ../../library/io.rst:814
 msgid ""
