Update app.py

app.py

@@ -361,9 +361,6 @@ def plot_confusion_matrix(y_true, y_pred, title, save_path="confusion_matrix.png
     plt.savefig(save_path, bbox_inches='tight', transparent=True)
     plt.close()
 
-    # Ensure the file is properly written and synced to disk before opening
-    time.sleep(0.5)  # Add a small delay to ensure file writing is complete
-    
     # Check if the file exists and can be opened
     if not os.path.exists(save_path):
         raise FileNotFoundError(f"File {save_path} not found.")