[skip ci] Update .po files

Autobuild bot on TravisCI · Autobuild bot on TravisCI · commit af3db5c61502 · 2020-02-12T18:51:10.000+09:00
diff --git a/library/os.po b/library/os.po
@@ -511,6 +511,9 @@ msgid ""
 "falls back to ``pwd.getpwuid(os.getuid())[0]`` to get the login name of the "
 "current real user id."
 msgstr ""
+"プロセスの制御端末にログインしているユーザー名を返します。ほとんどの場合、:func:`getpass.getuser` "
+"を使う方が便利です。なぜなら、:func:`getpass.getuser` は、ユーザーを見つけるために、環境変数 :envvar:`LOGNAME`"
+" や :envvar:`USERNAME` を調べ、さらには ``pwd.getpwuid(os.getuid())[0]`` まで調べに行くからです。"
 
 #: ../../library/os.rst:334 ../../library/os.rst:368 ../../library/os.rst:827
 #: ../../library/os.rst:836 ../../library/os.rst:1022
diff --git a/reference/compound_stmts.po b/reference/compound_stmts.po
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.6\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-02-09 18:48+0900\n"
+"POT-Creation-Date: 2020-02-11 18:50+0900\n"
 "PO-Revision-Date: 2018-06-29 17:51+0000\n"
 "Last-Translator: tomo, 2019\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
@@ -821,9 +821,9 @@ msgstr ""
 #: ../../reference/compound_stmts.rst:732
 msgid ""
 "It is a :exc:`SyntaxError` to use ``yield from`` expressions in ``async "
-"def`` coroutines."
+"def`` coroutines. Using ``await`` in :keyword:`f-strings` will also produce "
+"a :exc:`SyntaxError`."
 msgstr ""
-"``async def`` コルーチン内で ``yield from`` 式を使用すると :exc:`SyntaxError` になります。"
 
 #: ../../reference/compound_stmts.rst:735
 msgid "An example of a coroutine function::"
