Update app.py

app.py

@@ -112,7 +112,7 @@ Drop a `.csv` file below, add notes to describe this data if needed, and **Llama
     text_input = gr.Textbox(
         label="Additional notes to support the analysis"
     )
-    submit = gr.Button("Run analysis!", variant="secondary")
+    submit = gr.Button("Run analysis!", variant="primary")
     chatbot = gr.Chatbot(
         label="Data Analyst Agent",
         type="messages",