Fixed #30137 -- Replaced OSError aliases with the canonical OSError.

Used more specific errors (e.g. FileExistsError) as appropriate.

1 files changed, 1 insertions, 1 deletions

diff --git a/django/utils/translation/trans_real.py b/django/utils/translation/trans_real.py
index 98e3d0f51b..0e53b223e5 100644
--- a/django/utils/translation/trans_real.py
+++ b/django/utils/translation/trans_real.py
@@ -99,7 +99,7 @@ class DjangoTranslation(gettext_module.GNUTranslations):
         self._add_local_translations()
         if self.__language == settings.LANGUAGE_CODE and self.domain == 'django' and self._catalog is None:
             # default lang should have at least one translation file available.
-            raise IOError("No translation files found for default language %s." % settings.LANGUAGE_CODE)
+            raise OSError('No translation files found for default language %s.' % settings.LANGUAGE_CODE)
         self._add_fallback(localedirs)
         if self._catalog is None:
             # No catalogs found for this language, set an empty catalog.