From 46bdc3eaf08d24d5fad3823bb75f5f47b9ede1a9 Mon Sep 17 00:00:00 2001
From: Adam Johnson <me@adamj.eu>
Date: Wed, 17 Mar 2021 11:28:04 +0000
Subject: [PATCH] [3.2.x] Fixed #32560 -- Fixed test runner with --pdb and
 --buffer on fail/error.

Backport of 45814af6197cfd8f4dc72ee43b90ecde305a1d5a from main
---
 django/test/runner.py   | 2 ++
 docs/releases/3.1.8.txt | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/django/test/runner.py b/django/test/runner.py
index 8e6c29b0b4..a5fe7b7ba0 100644
--- a/django/test/runner.py
+++ b/django/test/runner.py
@@ -102,6 +102,8 @@ class PDBDebugResult(unittest.TextTestResult):
         self.debug(err)
 
     def debug(self, error):
+        self._restoreStdout()
+        self.buffer = False
         exc_type, exc_value, traceback = error
         print("\nOpening PDB: %r" % exc_value)
         pdb.post_mortem(traceback)
diff --git a/docs/releases/3.1.8.txt b/docs/releases/3.1.8.txt
index 3fa2a4f0c8..d166a1200c 100644
--- a/docs/releases/3.1.8.txt
+++ b/docs/releases/3.1.8.txt
@@ -9,4 +9,6 @@ Django 3.1.8 fixes several bugs in 3.1.7.
 Bugfixes
 ========
 
-* ...
+* Fixed a bug in Django 3.1 where the output was hidden on a test error or
+  failure when using :option:`test --pdb` with the
+  :option:`--buffer <test --buffer>` option (:ticket:`32560`).