diff --git a/ch02/01_main-chapter-code/ch02.ipynb b/ch02/01_main-chapter-code/ch02.ipynb
index 13299c0..a5e5b12 100644
--- a/ch02/01_main-chapter-code/ch02.ipynb
+++ b/ch02/01_main-chapter-code/ch02.ipynb
@@ -182,7 +182,7 @@
    ],
    "source": [
     "# Strip whitespace from each item and then filter out any empty strings.\n",
-    "result = [item.strip() for item in result if item.strip()]\n",
+    "result = [item for item in result if item.strip()]\n",
     "print(result)"
    ]
   },