[skip ci] Update .po files

Autobuild bot on TravisCI · Autobuild bot on TravisCI · commit 6c6b651fa55b · 2018-04-04T12:57:01.000+09:00
diff --git a/library/datetime.po b/library/datetime.po
@@ -2639,7 +2639,7 @@ msgstr "``%y``"
 
 #: ../../library/datetime.rst:1998
 msgid "Year without century as a zero-padded decimal number."
-msgstr "0埋めした10進数で表記した世紀ありの年。"
+msgstr "0埋めした10進数で表記した世紀無しの年。"
 
 #: ../../library/datetime.rst:1998
 msgid "00, 01, ..., 99"
@@ -2651,7 +2651,7 @@ msgstr "``%Y``"
 
 #: ../../library/datetime.rst:2001
 msgid "Year with century as a decimal number."
-msgstr "西暦 ( 4桁) の 10 進表記を表します。"
+msgstr "西暦 (4桁) の 10 進表記を表します。"
 
 #: ../../library/datetime.rst:2001 ../../library/datetime.rst:2074
 msgid "0001, 0002, ..., 2013, 2014, ..., 9998, 9999"
diff --git a/library/os.po b/library/os.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.6\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-01-25 12:23+0900\n"
+"POT-Creation-Date: 2018-04-03 12:57+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Osamu NAKAMURA, 2017\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
@@ -3511,17 +3511,13 @@ msgstr ""
 
 #: ../../library/os.rst:2728
 msgid ""
-"By default, errors from the :func:`listdir` call are ignored.  If optional "
+"By default, errors from the :func:`scandir` call are ignored.  If optional "
 "argument *onerror* is specified, it should be a function; it will be called "
 "with one argument, an :exc:`OSError` instance.  It can report the error to "
 "continue with the walk, or raise the exception to abort the walk.  Note that"
 " the filename is available as the ``filename`` attribute of the exception "
 "object."
 msgstr ""
-"デフォルトでは、 :func:`listdir` 呼び出しからのエラーは無視されます。オプション引数の *onerror* "
-"を指定する場合は関数でなければなりません ; この関数は単一の引数として :exc:`OSError` "
-"インスタンスを伴って呼び出されます。この関数でエラーを報告して走査を継続したり、例外を送出して走査を中止したりできます。ファイル名は例外オブジェクトの "
-"``filename`` 属性として利用できます。"
 
 #: ../../library/os.rst:2734
 msgid ""
diff --git a/whatsnew/changelog.po b/whatsnew/changelog.po
