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