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authorMartin Panter <vadmium+py@gmail.com>2016-01-31 06:30:56 (GMT)
committerMartin Panter <vadmium+py@gmail.com>2016-01-31 06:30:56 (GMT)
commit0bb165ecc114fcf7ce1df454355c4cbbef8b63e9 (patch)
tree4e03ad7e9e730183126490418f54fa4e3a149630 /Python/ceval.c
parent414f8b937f1ccab9a493b387fa42529416ea1a08 (diff)
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Issue #4806: Avoid masking TypeError when *-unpacking a generator
Based on patch by Hagen Fürstenau.
Diffstat (limited to 'Python/ceval.c')
-rw-r--r--Python/ceval.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/Python/ceval.c b/Python/ceval.c
index 6e5e272..0b747d8 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -4615,10 +4615,12 @@ ext_do_call(PyObject *func, PyObject ***pp_stack, int flags, int na, int nk)
PyObject *t = NULL;
t = PySequence_Tuple(stararg);
if (t == NULL) {
- if (PyErr_ExceptionMatches(PyExc_TypeError)) {
+ if (PyErr_ExceptionMatches(PyExc_TypeError) &&
+ /* Don't mask TypeError raised from a generator */
+ !PyGen_Check(stararg)) {
PyErr_Format(PyExc_TypeError,
"%.200s%.200s argument after * "
- "must be a sequence, not %200s",
+ "must be an iterable, not %200s",
PyEval_GetFuncName(func),
PyEval_GetFuncDesc(func),
stararg->ob_type->tp_name);