From 44d11e5b2c6d61916ff5d7e9549f6c6911f5044d Mon Sep 17 00:00:00 2001
From: Abhyudai <13880786+abhiabhi94@users.noreply.github.com>
Date: Mon, 11 Oct 2021 14:17:33 +0530
Subject: [PATCH] [4.0.x] Fixed #33149 -- Made test runner --pdb option work
 with subTest().

Thanks Lucidot for the report and Mariusz Felisiak for the initial
patch.
Backport of 7872971dfbb818177168e64c24a933e48ce01206 from main
---
 django/test/runner.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/django/test/runner.py b/django/test/runner.py
index 225bc19b09e..34480cf1032 100644
--- a/django/test/runner.py
+++ b/django/test/runner.py
@@ -107,6 +107,11 @@ class PDBDebugResult(unittest.TextTestResult):
         super().addFailure(test, err)
         self.debug(err)
 
+    def addSubTest(self, test, subtest, err):
+        if err is not None:
+            self.debug(err)
+        super().addSubTest(test, subtest, err)
+
     def debug(self, error):
         self._restoreStdout()
         self.buffer = False