fix dmypy after junit_xml change

svalentin · svalentin · commit dd2947bf3783 · 2023-11-08T13:41:08.000Z
diff --git a/mypy/dmypy/client.py b/mypy/dmypy/client.py
@@ -573,7 +573,7 @@ def check_output(
         write_junit_xml(
             response["roundtrip_time"],
             bool(err),
-            messages,
+            {None: messages} if messages else {},
             junit_xml,
             response["python_version"],
             response["platform"],
