Update app.py

app.py

@@ -758,10 +758,10 @@ def create_gradio_interface():
 
 # --- Application Startup ---
 def run_application():
-    gradio_app = None  # Predefine gradio_app for cleanup
+    main_gradio_app = None  # Predefine for main app cleanup
     try:
-        gradio_app = create_gradio_interface()
-        gradio_app = gr.mount_gradio_app(app, gradio_app, path="/gradio")
+        main_gradio_app = create_gradio_interface()
+        main_gradio_app = gr.mount_gradio_app(app, main_gradio_app, path="/gradio")
         logger.info("🚀 Starting Gene Analysis Pipeline...")
         logger.warning("⚠️ Running without request queuing. Concurrent requests may block.")
         logger.info("📊 FastAPI docs available at: http://localhost:7860/docs")
@@ -772,9 +772,9 @@ def run_application():
             port=7860,
             log_level="info"
         )
-    except Exception as e:
-        logger.error(f"Application startup failed: {e}", exc_info=True)
-        fallback_gradio_app = None  # Predefine for fallback
+    except Exception as main_error:
+        logger.error(f"Application startup failed: {main_error}", exc_info=True)
+        fallback_gradio_app = None  # Predefine for fallback app cleanup
         try:
             logger.info("🔄 Falling back to Gradio-only mode...")
             fallback_gradio_app = create_gradio_interface()
@@ -792,15 +792,16 @@ def run_application():
             if fallback_gradio_app:
                 try:
                     fallback_gradio_app.close()
+                    logger.info("Closed fallback Gradio app.")
                 except Exception as close_error:
                     logger.warning(f"Failed to close fallback Gradio app: {close_error}")
     finally:
-        if gradio_app:
+        if main_gradio_app:
             try:
-                gradio_app.close()
+                main_gradio_app.close()
+                logger.info("Closed main Gradio app.")
             except Exception as close_error:
-                logger.warning(f"Failed to close main Gradio app: {close_error}")
-# --- Main Entry Point ---
+                logger.warning(f"Failed to close main Gradio app: {close_error}")# --- Main Entry Point ---
 if __name__ == "__main__":
     print("🧬 Gene Analysis Pipeline Starting...")
     print("=" * 50)