[SVLS-5265] make json encoder happy

apiarian-datadog · apiarian-datadog · commit 1eb154cd72e0 · 2024-10-04T09:02:07.000-04:00
diff --git a/ddtrace/internal/encoding.py b/ddtrace/internal/encoding.py
@@ -84,7 +84,7 @@ def _span_to_dict(span):
             d["type"] = span.span_type
 
         if span._links:
-            d["span_links"] = span._links
+            d["span_links"] = [link.to_dict() for link in span._links]
 
         return d
 
