--- description: Learn about our routine checks that safeguard Ultralytics operations including ASCII, font, YOLO file, YAML, Python and torchvision checks. keywords: Ultralytics, utility checks, ASCII, check_version, pip_update, check_python, check_torchvision, check_yaml, YOLO filename --- # Reference for `ultralytics/utils/checks.py` !!! Note This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/checks.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/checks.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/utils/checks.py) 🛠️. Thank you 🙏! <br><br> ## ::: ultralytics.utils.checks.parse_requirements <br><br> ## ::: ultralytics.utils.checks.parse_version <br><br> ## ::: ultralytics.utils.checks.is_ascii <br><br> ## ::: ultralytics.utils.checks.check_imgsz <br><br> ## ::: ultralytics.utils.checks.check_version <br><br> ## ::: ultralytics.utils.checks.check_latest_pypi_version <br><br> ## ::: ultralytics.utils.checks.check_pip_update_available <br><br> ## ::: ultralytics.utils.checks.check_font <br><br> ## ::: ultralytics.utils.checks.check_python <br><br> ## ::: ultralytics.utils.checks.check_requirements <br><br> ## ::: ultralytics.utils.checks.check_torchvision <br><br> ## ::: ultralytics.utils.checks.check_suffix <br><br> ## ::: ultralytics.utils.checks.check_yolov5u_filename <br><br> ## ::: ultralytics.utils.checks.check_model_file_from_stem <br><br> ## ::: ultralytics.utils.checks.check_file <br><br> ## ::: ultralytics.utils.checks.check_yaml <br><br> ## ::: ultralytics.utils.checks.check_is_path_safe <br><br> ## ::: ultralytics.utils.checks.check_imshow <br><br> ## ::: ultralytics.utils.checks.check_yolo <br><br> ## ::: ultralytics.utils.checks.collect_system_info <br><br> ## ::: ultralytics.utils.checks.check_amp <br><br> ## ::: ultralytics.utils.checks.git_describe <br><br> ## ::: ultralytics.utils.checks.print_args <br><br> ## ::: ultralytics.utils.checks.cuda_device_count <br><br> ## ::: ultralytics.utils.checks.cuda_is_available <br><br>