Update app.py

app.py

@@ -673,7 +673,7 @@ def run_pipeline(dna_input, similarity_score=95.0, build_ml_tree=False):
                     
                     # Read HTML content for display
                     with open(html_path, 'r', encoding='utf-8') as f:
-                    tree_html_content = f.read()
+                        tree_html_content = f.read()
                     
                     simplified_ml_output = tree_result
                     logging.info("Simplified ML tree analysis completed successfully")