* Update val.py

Solving Non-ASCII character '\xf0' error during runtime

* Update val.py
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

Video errors may occur.

When OpenCV retrieving image fail, original code would modify source images **inplace**, which may result in plotting bounding boxes on a black image. That is, before inference, source image `im0s[i]` is OK, but after inference before `Process predictions`,  `im0s[i]` may have been changed.

* `try: except (..., wandb.errors.UsageError)`

* bug fix

* feat: change file suffix in pythonic way

* fix: enforce binding addresses order

* fix: enforce binding addresses order

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.6 to 2.1.7.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.6...v2.1.7)

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* Refactor new `model.warmup()` method

* Add half

* Remove NCOLS from tqdm

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* tensorflow or tflite exclusively as interpreter

As per bug report https://github.com/ultralytics/yolov5/issues/5709 I think there should be only one attempt to assign interpreter, and it appears tflite is only ever needed for the case of edgetpu model.

* Scope imports

* Nested definition line fix

* Update common.py
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* update

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* reformat

* Single-line argparser argument

* Update README.md

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* Update README.md

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* fix path error in export.py

* Update export.py

updated!

* Update export.py

oops forget something

* fix the path error in export.py

* Update export.py
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Do not save hyp.yaml and opt.yaml on evolve

* Update general.py

* Export and detect with TensorRT engine file

* Resolve `isort`

* Make validation works with TensorRT engine

* feat: update export docstring

* feat: change suffix from *.trt to *.engine

* feat: get rid of pycuda

* feat: make compatiable with val.py

* feat: support detect with fp16 engine

* Add Lite to Edge TPU string

* Remove *.trt comment

* Revert to standard success logger.info string

* Fix Deprecation Warning

```
export.py:310: DeprecationWarning: Use build_serialized_network instead.
  with builder.build_engine(network, config) as engine, open(f, 'wb') as t:
```

* Revert deprecation warning fix

@imyhxy it seems we can't apply the deprecation warning fix because then export fails, so I'm reverting my previous change here.

* Update export.py

* Update export.py

* Update common.py

* export onnx to file before building TensorRT engine file

* feat: triger ONNX export failed early

* feat: load ONNX model from file
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Add feature map to save npy files

Add feature map to save npy files,export npy files with 32 feature maps per layer.

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* Update plots.py

* Update plots.py

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* Update plots.py
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* SECURITY_1.md

* Delete SECURITY.md
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* prune unused imports

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Updated strategy leaves at least 1 cpu free to avoid system overloads. Partially addresses https://github.com/ultralytics/yolov5/issues/5685

* fix tf.py when anchors not equal to 3

* revert the isort fix

* update the fix to use anchor attribute available already

Bumps [pip](https://github.com/pypa/pip) from 19.2 to 21.1.
- [Release notes](https://github.com/pypa/pip/releases)
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](https://github.com/pypa/pip/compare/19.2...21.1)

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* handle exceptions| attempt CI

* update

* Pre-commit manual run

* yaml one-liner

* Update ci-testing.yml

* Comment W&B CI

Leave as example for future separate CI

* Update ci-testing.yml
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* AutoBatch, AutoAnchor `LOGGER`

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* Update autoanchor.py
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* Fix shuffle DataLoader argument

* Add shuffle argument

* Disable shuffle when rect

* Cleanup, add rect warning

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* Cleanup2

* Cleanup3
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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* WORLD_SIZE-safe workers

* Update with DDP comment

@kalenmike per our convo yesterday.

* Improve plots.py robustness

Addresses issues #5374, #5395, #5611

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* `np.unique()` sort fix for segments

* Update datasets.py

Accepts all arguments now by default resolving https://github.com/ultralytics/yolov5/issues/5600

* Update tqdm for fixed width

* Update val.py

* Update val.py

* Try ncols= in train.py

* NCOLS

* NCOLS

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* bar_format

* position 0 leave true

* exp0

* auto

* auto

* Cleanup

* Cleanup

* Cleanup
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* Fix to resource warning allocation; utilize file.open within a context manager

* rename fh to f

in keeping with naming convention
Co-authored-by: Ayman Saleh <aymansaleh@Aymans-MacBook-Pro-2.local>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>