Update app.py

app.py

@@ -121,7 +121,7 @@ with gr.Blocks() as demo:
             explain_mode = gr.Radio(['deterministic', 'local_llm'], value='deterministic', label='Explanation mode')
             explanation_out = gr.Textbox(lines=15, label='Explanation')
     run_btn.click(compute_and_explain,
-                  inputs=[P1,P2,V1,V2,z1,z2,rho,mu,D,L,roughness,use_darcy,None,explain_mode],
+                  inputs=[P1,P2,V1,V2,z1,z2,rho,mu,D,L,roughness,use_darcy,explain_mode],
                   outputs=[numeric_out, explanation_out])
 
 if __name__ == "__main__":