🐛 Fix indentation error in app.py

Remove duplicate try-except blocks and fix code alignment to resolve
IndentationError on line 346.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app.py

@@ -338,23 +338,20 @@ if current_image is not None:
             # Clear any running status messages on error
             for stage_key in stage_statuses:
                 stage_statuses[stage_key].empty()
-            raise e
+            error_msg = f"Analysis failed: {str(e)}"
+            logger.error(error_msg)
+            logger.error(f"Full traceback: {traceback.format_exc()}")
+            st.error(error_msg)
+            st.code(traceback.format_exc())
         
         st.markdown('</div>', unsafe_allow_html=True)
-                
-                # Cleanup
-                if 'temp_path' in locals() and os.path.exists(temp_path):
-                    try:
-                        os.remove(temp_path)
-                    except:
-                        pass
-                        
-            except Exception as e:
-                error_msg = f"Analysis failed: {str(e)}"
-                logger.error(error_msg)
-                logger.error(f"Full traceback: {traceback.format_exc()}")
-                st.error(error_msg)
-                st.code(traceback.format_exc())
+        
+        # Cleanup
+        if 'temp_path' in locals() and os.path.exists(temp_path):
+            try:
+                os.remove(temp_path)
+            except:
+                pass
 else:
     st.markdown('<div class="upload-section">', unsafe_allow_html=True)
     st.markdown("**Upload an image or select a sample to begin analysis**")