diff --git a/strix/interface/tool_components/python_renderer.py b/strix/interface/tool_components/python_renderer.py
index 415660e..404e0ad 100644
--- a/strix/interface/tool_components/python_renderer.py
+++ b/strix/interface/tool_components/python_renderer.py
@@ -149,7 +149,7 @@ class PythonRenderer(BaseToolRenderer):
         else:
             text.append("Running...", style="dim")
 
-        if result:
+        if result and isinstance(result, dict | str):
             cls._append_output(text, result)
 
         css_classes = cls.get_css_classes(status)