[skip ci] Update .po files

Autobuild bot on TravisCI · Autobuild bot on TravisCI · commit afbf4a768d1c · 2019-12-23T18:24:51.000+09:00
diff --git a/library/datetime.po b/library/datetime.po
@@ -11,8 +11,8 @@ msgstr ""
 "Project-Id-Version: Python 2.7\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-12-16 18:23+0900\n"
-"PO-Revision-Date: 2019-09-01 05:22+0000\n"
-"Last-Translator: hitsumabushi.org\n"
+"PO-Revision-Date: 2019-12-22 12:12+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"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -1773,7 +1773,7 @@ msgid ""
 "also platform-dependent. On some platforms such code points are preserved "
 "intact in the output, while on others ``strftime`` may raise "
 ":exc:`UnicodeError` or return an empty string instead."
-msgstr ""
+msgstr "同じ理由で、現在のロケールの文字集合で表現できない Unicode コードポイントを含む書式文字列の対処もプラットフォーム依存です。\nあるプラットフォームではそういったコードポイントはそのまま出力に出される一方、他のプラットフォームでは ``strftime`` が :exc:`UnicodeError` を送出したり、その代わりに空文字列を返したりするかもしれません。"
 
 #: /home/travis/build/python/cpython-doc-catalog/Doc/library/datetime.rst:1620
 msgid ""
diff --git a/tutorial/controlflow.po b/tutorial/controlflow.po
@@ -9,8 +9,8 @@ msgstr ""
 "Project-Id-Version: Python 2.7\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-12-16 18:23+0900\n"
-"PO-Revision-Date: 2019-09-19 08:51+0000\n"
-"Last-Translator: tomo\n"
+"PO-Revision-Date: 2019-12-22 13:26+0000\n"
+"Last-Translator: Yuta Kanzawa\n"
 "Language-Team: Japanese (http://www.transifex.com/python-doc/python-27/language/ja/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -26,7 +26,7 @@ msgstr "その他の制御フローツール"
 msgid ""
 "Besides the :keyword:`while` statement just introduced, Python uses the "
 "usual flow control statements known from other languages, with some twists."
-msgstr ""
+msgstr "先ほど説明のあった :keyword:`while` 文に加えて、他の言語での経験から分かるような通常のフロー制御文を少し工夫を効かせて使用します。"
 
 #: /home/travis/build/python/cpython-doc-catalog/Doc/tutorial/controlflow.rst:14
 msgid ":keyword:`if` Statements"
