Update app.py

app.py

@@ -65,7 +65,7 @@ css = """
 with gr.Blocks(title="Mistral Playground", css=css) as mistral_playground:
     with gr.Row():
         with gr.Column(scale=1, min_width=80):
-            gr.Image("tt-logo.jpg", width=80, height=80, show_download_button=False, show_share_button=False, interactive=False, show_label=False, elem_id="thinktecture-logo", elem_classes="header-logo", container=False)
+            gr.Image("tt-logo.jpg", show_download_button=False, show_share_button=False, interactive=False, show_label=False, elem_id="thinktecture-logo", container=False)
         with gr.Column(scale=11):
             gr.Markdown("Thinktecture Mistral AI Playground", elem_classes="header-text")
             
@@ -73,7 +73,7 @@ with gr.Blocks(title="Mistral Playground", css=css) as mistral_playground:
         api_key = gr.Textbox(type='password', placeholder='Your Mistral AI API key', lines=1, label="Mistral AI API Key")
         model = gr.Radio(
             choices=["mistral-tiny", "mistral-small", "mistral-medium"],
-            value="mistral-tiny",
+            value="mistral-medium",
         )
     with gr.Row(variant='panel'):
         temperature = gr.Slider(minimum=0.01, maximum=1.0, value=0.2, step=0.1, label="Temperature")