commit 8965d75c90e80b6983b36f3ae9601d6a257d782b
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Thu May 17 05:49:01 2018 -0700
committer Steve Dower <steve.dower@microsoft.com> Thu May 17 08:49:01 2018 -0400
tree 9adfeda35cc8c2b592001d526bf72f6b2953a473
parent 54a5247837a97d8833dc6eba72df0826afe4558d

bpo-33522: Enable CI builds on Visual Studio Team Services (GH-6865) (GH-6926)

(cherry picked from commit e5f41d2f1e0b8b8e61d5fa427c19bd1ea90fd9a3)

Co-authored-by: Steve Dower <steve.dower@microsoft.com>

Lib/test/test_bdb.py

diff --git a/Lib/test/test_bdb.py b/Lib/test/test_bdb.py
index bda74a2..616c3a8 100644
--- a/Lib/test/test_bdb.py
+++ b/Lib/test/test_bdb.py
@@ -417,15 +417,17 @@
         self.dry_run = test_case.dry_run
         self.tracer = Tracer(test_case.expect_set, skip=skip,
                              dry_run=self.dry_run, test_case=test_case.id())
+        self._original_tracer = None
 
     def __enter__(self):
         # test_pdb does not reset Breakpoint class attributes on exit :-(
         reset_Breakpoint()
+        self._original_tracer = sys.gettrace()
         return self.tracer
 
     def __exit__(self, type_=None, value=None, traceback=None):
         reset_Breakpoint()
-        sys.settrace(None)
+        sys.settrace(self._original_tracer)
 
         not_empty = ''
         if self.tracer.set_list: