[po] auto sync

github-actions[bot] · github-actions[bot] · commit a662d2ad0fa3 · 2019-11-20T13:48:05.000Z
diff --git a/library/os.po b/library/os.po
@@ -407,7 +407,7 @@ msgstr ""
 msgid ""
 ":func:`getenvb` is only available if :data:`supports_bytes_environ` is "
 "``True``."
-msgstr ""
+msgstr ":func:`getenvb` 仅在 :data:`supports_bytes_environ` 为 ``True`` 时可用。"
 
 #: ../../library/os.rst:241
 msgid ":ref:`Availability <availability>`: most flavors of Unix."
