Fixed #27818 -- Replaced try/except/pass with contextlib.suppress().

1 files changed, 4 insertions, 9 deletions

diff --git a/django/http/response.py b/django/http/response.py
index 1083fd7dca..384de9fb84 100644
--- a/django/http/response.py
+++ b/django/http/response.py
@@ -3,6 +3,7 @@ import json
 import re
 import sys
 import time
+from contextlib import suppress
 from email.header import Header
 from http.client import responses
 from urllib.parse import urlparse
@@ -136,10 +137,8 @@ class HttpResponseBase:
         self._headers[header.lower()] = (header, value)
 
     def __delitem__(self, header):
-        try:
+        with suppress(KeyError):
             del self._headers[header.lower()]
-        except KeyError:
-            pass
 
     def __getitem__(self, header):
         return self._headers[header.lower()][1]
@@ -238,10 +237,8 @@ class HttpResponseBase:
     # See http://blog.dscpl.com.au/2012/10/obligations-for-calling-close-on.html
     def close(self):
         for closable in self._closable_objects:
-            try:
+            with suppress(Exception):
                 closable.close()
-            except Exception:
-                pass
         self.closed = True
         signals.request_finished.send(sender=self._handler_class)
 
@@ -307,10 +304,8 @@ class HttpResponse(HttpResponseBase):
         if hasattr(value, '__iter__') and not isinstance(value, (bytes, str)):
             content = b''.join(self.make_bytes(chunk) for chunk in value)
             if hasattr(value, 'close'):
-                try:
+                with suppress(Exception):
                     value.close()
-                except Exception:
-                    pass
         else:
             content = self.make_bytes(value)
         # Create a list of properly encoded bytestrings to support write().