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Issue #20041: Fixed TypeError when frame.f_trace is set to None.

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Patch by Xavier de Gaye.
This commit is contained in:
Serhiy Storchaka 2016-06-04 20:32:36 +03:00
parent 89beb27061
commit 64a263a1ce
3 changed files with 15 additions and 5 deletions
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8
Objects/frameobject.c
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@ -349,15 +349,13 @@ frame_gettrace(PyFrameObject *f, void *closure)
static int
frame_settrace(PyFrameObject *f, PyObject* v, void *closure)
{
PyObject* old_value;
/* We rely on f_lineno being accurate when f_trace is set. */
f->f_lineno = PyFrame_GetLineNumber(f);
old_value = f->f_trace;
if (v == Py_None)
v = NULL;
Py_XINCREF(v);
f->f_trace = v;
Py_XDECREF(old_value);
Py_XSETREF(f->f_trace, v);
return 0;
}