From 724f4d48d2a6258c9bf3960e49a1a19c5049c457 Mon Sep 17 00:00:00 2001
From: thiswillbeyourgithub
 <26625900+thiswillbeyourgithub@users.noreply.github.com>
Date: Wed, 3 Sep 2025 12:44:48 +0200
Subject: [PATCH] fix: avoid crashing if an assay is missing comment

Signed-off-by: thiswillbeyourgithub <26625900+thiswillbeyourgithub@users.noreply.github.com>
---
 pubchempy.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pubchempy.py b/pubchempy.py
index 33012ae..b7b8da1 100644
--- a/pubchempy.py
+++ b/pubchempy.py
@@ -1983,9 +1983,10 @@ def project_category(self) -> ProjectCategory | None:
     def comments(self) -> list[str]:
         """Comments and additional information."""
         return [
-            comment for comment in self.record["assay"]["descr"]["comment"] if comment
+            comment for comment in self.record["assay"]["descr"].get("comment", "") if comment
         ]
 
+
     @property
     def results(self) -> list[dict[str, t.Any]]:
         """A list of dictionaries containing details of the results from this Assay."""