Update app.py

app.py

@@ -1045,8 +1045,8 @@ with gr.Blocks(css=css) as iface:
                 kmer_img = gr.Image(label="Top k-mer SHAP")
                 genome_img = gr.Image(label="Genome-wide SHAP Heatmap (Blue=neg, White=0, Red=pos)")
                 
-                # Make both download buttons visible
-                download_kmer_shap = gr.File(label="Download k-mer SHAP Values (CSV)", visible=True)
+                # Make sure we use type="file" and not include a tuple in the return value
+                download_kmer_shap = gr.File(label="Download k-mer SHAP Values (CSV)", visible=True, type="file")
                 download_results = gr.File(label="Download Results", visible=True, elem_classes="download-button")
         
         seq_state = gr.State()
@@ -1060,14 +1060,13 @@ with gr.Blocks(css=css) as iface:
             outputs=[text_input]
         )
         
-        # Important: Make sure we have 7 outputs to match the 7 values returned by analyze_sequence
+        # Connect the analyze button
         analyze_btn.click(
             analyze_sequence,
             inputs=[file_input, top_k, text_input, win_size],
             outputs=[results_box, kmer_img, genome_img, seq_state, header_state, download_results, download_kmer_shap]
         )
 
-
     with gr.Tab("2) Subregion Exploration"):
         gr.Markdown("""
         **Subregion Analysis**  
@@ -1115,7 +1114,7 @@ with gr.Blocks(css=css) as iface:
         analyze_genes_btn = gr.Button("Analyze Gene Features", variant="primary")
         gene_results = gr.Textbox(label="Gene Analysis Results", lines=12, interactive=False)
         gene_diagram = gr.Image(label="Genome Diagram with Gene Features")
-        download_gene_results = gr.File(label="Download Gene Analysis (CSV)", visible=True)
+        download_gene_results = gr.File(label="Download Gene Analysis (CSV)", visible=True, type="file")
         
         analyze_genes_btn.click(
             analyze_gene_features,