Update app.py

app.py

@@ -1006,6 +1006,23 @@ def load_example_fasta():
 ###############################################################################
 
 
+###############################################################################
+# 13. EXAMPLE FASTA LOADER
+###############################################################################
+
+def load_example_fasta():
+    """Load the example.fasta file contents"""
+    try:
+        with open('example.fasta', 'r') as f:
+            example_text = f.read()
+        return example_text
+    except Exception as e:
+        return f">example_sequence\nACGTACGT...\n\n(Note: Could not load example.fasta: {str(e)})"
+        
+###############################################################################
+# 14. BUILD GRADIO INTERFACE
+###############################################################################
+
 css = """
 .gradio-container {
     font-family: 'IBM Plex Sans', sans-serif;
@@ -1045,8 +1062,8 @@ 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 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")
+                # File components with the correct type parameter
+                download_kmer_shap = gr.File(label="Download k-mer SHAP Values (CSV)", visible=True, type="filepath")
                 download_results = gr.File(label="Download Results", visible=True, elem_classes="download-button")
         
         seq_state = gr.State()
@@ -1114,7 +1131,7 @@ 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, type="file")
+        download_gene_results = gr.File(label="Download Gene Analysis (CSV)", visible=True, type="filepath")
         
         analyze_genes_btn.click(
             analyze_gene_features,