diff --git a/examples/tutorials/agent_development.ipynb b/examples/tutorials/agent_development.ipynb
index 1729198..f65ddf4 100644
--- a/examples/tutorials/agent_development.ipynb
+++ b/examples/tutorials/agent_development.ipynb
@@ -732,8 +732,9 @@
         "\n",
         "player_logs = []\n",
         "player_log_names = []\n",
-        "for name, player_memmory in runnable_simulation.get_all_player_memories().items():\n",
-        "  all_player_mem = player_memmory.retrieve_recent(k=1000, add_time=True)\n",
+        "for name, player_memory in (\n",
+        "    runnable_simulation.get_all_player_memories().items()):\n",
+        "  all_player_mem = list(player_memory.retrieve_recent(k=1000, add_time=True))\n",
         "  all_player_mem = ['Memories:'] + all_player_mem\n",
         "  player_html = html_lib.PythonObjectToHTMLConverter(all_player_mem).convert()\n",
         "  player_logs.append(player_html)\n",