diff --git a/01_chatgpt/06_assistants_code_interpreter/assistants_code_interpreter.ipynb b/01_chatgpt/06_assistants_code_interpreter/assistants_code_interpreter.ipynb
index 171c00e0..9301470b 100644
--- a/01_chatgpt/06_assistants_code_interpreter/assistants_code_interpreter.ipynb
+++ b/01_chatgpt/06_assistants_code_interpreter/assistants_code_interpreter.ipynb
@@ -125,7 +125,7 @@
    "source": [
     "from openai.types.beta.threads.thread_message import ThreadMessage\n",
     "\n",
-    "message = client.beta.threads.messages.create(\n",
+    "message : ThreadMessage = client.beta.threads.messages.create(\n",
     "    thread_id=thread.id,\n",
     "    role=\"user\",\n",
     "    content=\"I need to solve the equation `3x + 11 = 14`. Can you help me?\"\n",