--- 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 Full source code for 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). Help us fix any issues you see by submitting a [Pull Request](https://docs.ultralytics.com/help/contributing/) 🛠️. Thank you 🙏! --- ## ::: ultralytics.utils.checks.is_ascii

--- ## ::: ultralytics.utils.checks.check_imgsz

--- ## ::: ultralytics.utils.checks.check_version

--- ## ::: ultralytics.utils.checks.check_latest_pypi_version

--- ## ::: ultralytics.utils.checks.check_pip_update_available

--- ## ::: ultralytics.utils.checks.check_font

--- ## ::: ultralytics.utils.checks.check_python

--- ## ::: ultralytics.utils.checks.check_requirements

--- ## ::: ultralytics.utils.checks.check_torchvision

--- ## ::: ultralytics.utils.checks.check_suffix

--- ## ::: ultralytics.utils.checks.check_yolov5u_filename

--- ## ::: ultralytics.utils.checks.check_file

--- ## ::: ultralytics.utils.checks.check_yaml

--- ## ::: ultralytics.utils.checks.check_imshow

--- ## ::: ultralytics.utils.checks.check_yolo

--- ## ::: ultralytics.utils.checks.check_amp

--- ## ::: ultralytics.utils.checks.git_describe

--- ## ::: ultralytics.utils.checks.print_args