Address comments in PR

Author: mdboom

cuda_python/docs/exts/release_toc.py

@@ -16,11 +16,14 @@ def parse_content(self, toctree):
         if not toctree["glob"]:
             return
 
-        toctree["entries"] = [
-            (Version(Path(x[1]).name.removesuffix("-notes")), x[1]) for x in toctree.get("entries", [])
-        ]
-        toctree["entries"].sort(key=lambda x: x[0], reverse=True)
-        toctree["entries"] = [(str(x[0]), x[1]) for x in toctree["entries"]]
+        entries = toctree.get("entries", [])
+        if not entries:
+            return
+
+        entries = [(Version(Path(x[1]).name.removesuffix("-notes")), x[1]) for x in entries]
+        entries.sort(key=lambda x: x[0], reverse=True)
+        entries = [(str(x[0]), x[1]) for x in entries]
+        toctree["entries"] = entries
 
 
 def setup(app):