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-rw-r--r--Modules/mathmodule.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 9e4c6fd..1342162 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -1467,7 +1467,7 @@ math_fsum(PyObject *module, PyObject *seq)
Py_ssize_t i, j, n = 0, m = NUM_PARTIALS;
double x, y, t, ps[NUM_PARTIALS], *p = ps;
double xsave, special_sum = 0.0, inf_sum = 0.0;
- double hi, yr, lo;
+ double hi, yr, lo = 0.0;
iter = PyObject_GetIter(seq);
if (iter == NULL)