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-rw-r--r--Modules/_multiprocessing/connection.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/Modules/_multiprocessing/connection.h b/Modules/_multiprocessing/connection.h
index 581beac..2ee5368 100644
--- a/Modules/_multiprocessing/connection.h
+++ b/Modules/_multiprocessing/connection.h
@@ -139,8 +139,12 @@ connection_sendbytes(ConnectionObject *self, PyObject *args)
res = conn_send_string(self, buffer + offset, size);
PyBuffer_Release(&pbuffer);
- if (res < 0)
- return mp_SetError(PyExc_IOError, res);
+ if (res < 0) {
+ if (PyErr_Occurred())
+ return NULL;
+ else
+ return mp_SetError(PyExc_IOError, res);
+ }
Py_RETURN_NONE;
}