Fix cv2.imwrite on non-ASCII paths (#7139)

* Fix imwrite on non-ASCII paths

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update general.py

* Update __init__.py

* Update __init__.py

* Update datasets.py

* Update hubconf.py

* Update detect.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update general.py

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

utils/datasets.py

@@ -18,7 +18,6 @@ from threading import Thread
 from urllib.parse import urlparse
 from zipfile import ZipFile
 
-import cv2
 import numpy as np
 import torch
 import torch.nn.functional as F
@@ -29,12 +28,9 @@ from tqdm import tqdm
 
 from utils.augmentations import Albumentations, augment_hsv, copy_paste, letterbox, mixup, random_perspective
 from utils.general import (DATASETS_DIR, LOGGER, NUM_THREADS, check_dataset, check_requirements, check_yaml, clean_str,
-                           segments2boxes, xyn2xy, xywh2xyxy, xywhn2xyxy, xyxy2xywhn)
+                           cv2, segments2boxes, xyn2xy, xywh2xyxy, xywhn2xyxy, xyxy2xywhn)
 from utils.torch_utils import torch_distributed_zero_first
 
-# Remap
-cv2.imread = lambda x: cv2.imdecode(np.fromfile(x, np.uint8), cv2.IMREAD_COLOR)  # for Chinese filenames
-
 # Parameters
 HELP_URL = 'https://github.com/ultralytics/yolov5/wiki/Train-Custom-Data'
 IMG_FORMATS = 'bmp', 'dng', 'jpeg', 'jpg', 'mpo', 'png', 'tif', 'tiff', 'webp'  # include image suffixes