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/middleware/csrf.py b/django/middleware/csrf.py
index c9c27666ae..a7b0a22ba2 100644
--- a/django/middleware/csrf.py
+++ b/django/middleware/csrf.py
@@ -293,7 +293,7 @@ class CsrfViewMiddleware(MiddlewareMixin):
             if request.method == "POST":
                 try:
                     request_csrf_token = request.POST.get('csrfmiddlewaretoken', '')
-                except IOError:
+                except OSError:
                     # Handle a broken connection before we've completed reading
                     # the POST data. process_view shouldn't raise any
                     # exceptions, so we'll ignore and serve the user a 403