Update app.py

app.py

@@ -13,7 +13,10 @@ def create_assistant(client):
         name="Python Code Generator",
         instructions="You are a Python programming language expert that generates Pylint-compliant code and explains it. Only execute code when explicitly asked to.",
         model="gpt-4o",
-        tools=[{"type": "code_interpreter"}],
+        tools=[
+                  {"type": "code_interpreter"}, 
+                  {"type": "retrieval"},
+              ],
     )
     
     show_json("assistant", assistant)
@@ -127,6 +130,7 @@ gr.ChatInterface(
         clear_btn="Clear",
         retry_btn="Retry",
         undo_btn="Undo",
+        multimodal=True,
         examples=[
                   ["Generate: NumPy/Pandas/Matplotlib & yfinance trading app", "sk-<BringYourOwn>"],
                   ["Explain: r'^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[\\W]).{8,}$'", "sk-<BringYourOwn>"],