[4.2.x] Refs #34482 -- Reverted "Fixed #32969 -- Fixed pickling HttpResponse and subclasses."

This reverts commit d7f5bfd241666c0a76e90208da1e9ef81aec44db.

Thanks Márton Salomváry for the report.

Backport of 173034b00589c083793d495e8b07e35be2cb1cf0 from main

1 files changed, 0 insertions, 19 deletions

diff --git a/django/http/response.py b/django/http/response.py
index 090be181e2..ea3114170e 100644
--- a/django/http/response.py
+++ b/django/http/response.py
@@ -369,31 +369,12 @@ class HttpResponse(HttpResponseBase):
     """
 
     streaming = False
-    non_picklable_attrs = frozenset(
-        [
-            "resolver_match",
-            # Non-picklable attributes added by test clients.
-            "asgi_request",
-            "client",
-            "context",
-            "json",
-            "templates",
-            "wsgi_request",
-        ]
-    )
 
     def __init__(self, content=b"", *args, **kwargs):
         super().__init__(*args, **kwargs)
         # Content is a bytestring. See the `content` property methods.
         self.content = content
 
-    def __getstate__(self):
-        obj_dict = self.__dict__.copy()
-        for attr in self.non_picklable_attrs:
-            if attr in obj_dict:
-                del obj_dict[attr]
-        return obj_dict
-
     def __repr__(self):
         return "<%(cls)s status_code=%(status_code)d%(content_type)s>" % {
             "cls": self.__class__.__name__,