commit 9c0180ae7761b352116a2528aae61eea10e31045
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Fri Jun 11 09:18:19 2021 -0700
committer GitHub <noreply@github.com> Fri Jun 11 17:18:19 2021 +0100
tree dd42ed987e3ac7f63c110a8314a6a9b4676f5bec
parent 0a186b1ec1fd094d825f08a4eb39fa83ef57067a

bpo-43318: Fix a bug where pdb does not always echo cleared breakpoints (GH-24646) (GH-26674)

(cherry picked from commit 4cb6ba14325cff98589c2660d1d2c65f4aacfee4)

Co-authored-by: huzhaojie <hu.zj@foxmail.com>

Lib/pdb.py

diff --git a/Lib/pdb.py b/Lib/pdb.py
index 081a844..ff40f7b 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -893,7 +893,7 @@ def do_clear(self, arg):
             except ValueError:
                 err = "Invalid line number (%s)" % arg
             else:
-                bplist = self.get_breaks(filename, lineno)
+                bplist = self.get_breaks(filename, lineno)[:]
                 err = self.clear_break(filename, lineno)
             if err:
                 self.error(err)