From 7316f372d149c046a8e06572c7bcd0fe592ea1a8 Mon Sep 17 00:00:00 2001
From: Joris Vink <joris@coders.se>
Date: Thu, 4 Aug 2022 13:19:02 +0200
Subject: [PATCH] If no result was available, use Py_None.

---
 src/python.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/python.c b/src/python.c
index 6254e4f..a2a29ca 100644
--- a/src/python.c
+++ b/src/python.c
@@ -4529,6 +4529,11 @@ pygather_reap_coro(struct pygather_op *op, struct python_coro *reap)
 		PyErr_Fetch(&type, &coro->coro->result, &traceback);
 		Py_DECREF(type);
 		Py_XDECREF(traceback);
+	} else {
+		if (coro->coro->result == NULL) {
+			coro->coro->result = Py_None;
+			Py_INCREF(Py_None);
+		}
 	}
 
 	result->obj = coro->coro->result;