Update json_to_md.py

json_to_md.py

@@ -17,16 +17,17 @@ def stringify(obj, indent=0):
     elif isinstance(obj, (int, float, str, bool)):
         return str(obj)
     elif isinstance(obj, list):
-        return '\n'.join(f"{space} {stringify(e, indent + 1)}" for e in obj)
+        return '\n'.join(f"{space}- {stringify(e, indent + 1)}" for e in obj)
     elif isinstance(obj, dict):
         return '\n'.join(f"{space}{k}: {stringify(v, indent + 1)}" for k, v in obj.items())
-    elif hasattr(obj, '__str__'):
+    elif isinstance(obj, object) and str(obj).startswith("<object object at"):
+        return "<opaque object>"
+    else:
         try:
             return str(obj)
         except:
-            return repr(obj)
-    else:
-        return repr(obj)
+            return "<unstringifiable>"
+
 
     
 def normalize_nodeid(nodeid):