commit 6fe9c446f8302553952f63fc6d96be4dfa48ceba
author Serhiy Storchaka <storchaka@gmail.com> Mon Jan 14 12:58:37 2019 +0200
committer GitHub <noreply@github.com> Mon Jan 14 12:58:37 2019 +0200
tree d69cdef7b520bbe12a3ef654ce1bb7d48ed76bd0
parent 454b3d4ea246e8751534e105548d141ed7b0b032

bpo-34756: Silence only ImportError and AttributeError in sys.breakpointhook(). (GH-9457)

Python/sysmodule.c

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 10707fd..869834b 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -170,6 +170,12 @@
     return retval;
 
   error:
+    if (!PyErr_ExceptionMatches(PyExc_ImportError)
+        && !PyErr_ExceptionMatches(PyExc_AttributeError))
+    {
+        PyMem_RawFree(envar);
+        return NULL;
+    }
     /* If any of the imports went wrong, then warn and ignore. */
     PyErr_Clear();
     int status = PyErr_WarnFormat(