mtest: use ProactorEventLoop
This is needed to use asyncio with pipes and processes.
@@ -1329,6 +1329,10 @@ def run(options: argparse.Namespace) -> int:
if options.wrapper:
check_bin = options.wrapper[0]
+ if sys.platform == 'win32':
+ loop = asyncio.ProactorEventLoop()
+ asyncio.set_event_loop(loop)
+
if check_bin is not None:
exe = ExternalProgram(check_bin, silent=True)
if not exe.found():
