ModuleNotFoundError: No module named ‘mmcv‘

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ModuleNotFoundError: No module named ‘mmcv‘

2023-06-27 08:38| 来源: 网络整理| 查看: 265

问题描述：最近在改进YOLOv8代码，出现了这个错误，如代码1，大家都明白这时缺少库，但是我执行pip install mmcv，仍然不行。

Traceback (most recent call last): File "C:/Users/aoqia/Desktop/yolov8-paper/ultralytics/yolo8/pose/train.py", line 5, in from ultralytics.nn.tasks import PoseModel File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\__init__.py", line 5, in from ultralytics.hub import start File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\hub\__init__.py", line 5, in from ultralytics.hub.auth import Auth File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\hub\auth.py", line 5, in from ultralytics.hub.utils import HUB_API_ROOT, PREFIX, request_with_credentials File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\hub\utils.py", line 14, in from ultralytics.yolo.utils import (ENVIRONMENT, LOGGER, ONLINE, RANK, SETTINGS, TESTS_RUNNING, TQDM_BAR_FORMAT, File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\yolo\__init__.py", line 3, in from . import v8 File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\yolo\v8\__init__.py", line 3, in from ultralytics.yolo.v8 import classify, detect, pose, segment File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\yolo\v8\classify\__init__.py", line 3, in from ultralytics.yolo.v8.classify.predict import ClassificationPredictor, predict File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\yolo\v8\classify\predict.py", line 5, in from ultralytics.yolo.engine.predictor import BasePredictor File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\yolo\engine\predictor.py", line 37, in from ultralytics.nn.autobackend import AutoBackend File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\nn\__init__.py", line 3, in from .tasks import (BaseModel, ClassificationModel, DetectionModel, SegmentationModel, attempt_load_one_weight, File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\nn\tasks.py", line 11, in from ultralytics.nn.modules import (AIFI, C1, C2, C3, C3TR, SPP, SPPF, Bottleneck, BottleneckCSP, C2f, C3Ghost, C3x, File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\nn\modules\__init__.py", line 16, in from .block import (C1, C2, C3, C3TR, DFL, SPP, SPPF, Bottleneck, BottleneckCSP, C2f, C3Ghost, C3x, GhostBottleneck, File "C:\Users\aoqia\Desktop\yolov8-paper\ultralytics\nn\modules\block.py", line 320, in from mmcv.cnn import build_activation_layer, build_norm_layer ModuleNotFoundError: No module named 'mmcv'

解决办法：我在官网看到用mim命令安装即可。官网地址安装 MMCV — mmcv 2.0.1 文档。

即采用下面两个步骤：

pip install -U openmim

mim install mmcv

【本文地址】

ModuleNotFoundError: No module named ‘mmcv‘

ModuleNotFoundError: No module named ‘mmcv‘

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