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---

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 🙏!


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## ::: ultralytics.utils.checks.parse_requirements



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## ::: ultralytics.utils.checks.parse_version

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## ::: ultralytics.utils.checks.is_ascii



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

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



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

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



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

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



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

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



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

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

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## ::: ultralytics.utils.checks.check_model_file_from_stem

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



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

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## ::: ultralytics.utils.checks.check_is_path_safe



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

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



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## ::: ultralytics.utils.checks.collect_system_info



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

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



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

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## ::: ultralytics.utils.checks.cuda_device_count

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## ::: ultralytics.utils.checks.cuda_is_available

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