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ultralytics 8.0.19 seg/det dataset warning and DDP-cls/seg fixes (#595)

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: 曾逸夫（Zeng Yifu） <41098760+Zengyf-CVer@users.noreply.github.com>
Co-authored-by: Laughing <61612323+Laughing-q@users.noreply.github.com>
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Glenn Jocher 2023-01-24 23:22:02 +01:00 • committed by GitHub
parent 936414c615
commit 520825c4b2
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21 changed files with 103 additions and 63 deletions
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7
ultralytics/yolo/data/utils.py
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@ -14,7 +14,7 @@ import numpy as np
import torch
from PIL import ExifTags, Image, ImageOps
from ultralytics.yolo.utils import DATASETS_DIR, LOGGER, ROOT, colorstr, yaml_load
from ultralytics.yolo.utils import DATASETS_DIR, LOGGER, ROOT, colorstr, emojis, yaml_load
from ultralytics.yolo.utils.checks import check_file, check_font, is_ascii
from ultralytics.yolo.utils.downloads import download
from ultralytics.yolo.utils.files import unzip_file
@ -202,7 +202,10 @@ def check_det_dataset(dataset, autodownload=True):
# Checks
for k in 'train', 'val', 'names':
assert k in data, f"data.yaml '{k}:' field missing ❌"
if k not in data:
raise SyntaxError(
emojis(f"{dataset} '{k}:' key missing ❌.\n"
f"'train', 'val' and 'names' are required in data.yaml files."))
if isinstance(data['names'], (list, tuple)): # old array format
data['names'] = dict(enumerate(data['names'])) # convert to dict
data['nc'] = len(data['names'])