From d371454dad11b6e9de53cb3747c1cf25b3bb6d9f Mon Sep 17 00:00:00 2001
From: Joris Vink <joris@coders.se>
Date: Tue, 19 Mar 2019 13:58:00 +0100
Subject: [PATCH] do not grab the result if it was in a gatherop

---
 src/python.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/python.c b/src/python.c
index 2c0e646..67bf7a6 100644
--- a/src/python.c
+++ b/src/python.c
@@ -542,7 +542,7 @@ python_coro_run(struct python_coro *coro)
 
 		item = _PyGen_Send((PyGenObject *)coro->obj, NULL);
 		if (item == NULL) {
-			if (PyErr_Occurred() &&
+			if (coro->gatherop == NULL && PyErr_Occurred() &&
 			    PyErr_ExceptionMatches(PyExc_StopIteration)) {
 				PyErr_Fetch(&type, &coro->result, &traceback);
 				Py_DECREF(type);