Hello,Sparrow!

import randomfrom imutils import pathsfrom keras.optimizers import SGDfrom keras_preprocessing.image import load_img, img_to_arrayfrom tensorflow.python.keras.utils import get_fileimport gzipimport numpy as npimport kerasfrom keras.datasets import

运行代码时出错：error: (-215:Assertion failed) !empty() in function ‘cv::CascadeClassifier::detectMultiScale’File “D:/python_project/Recognition/recognition1.py”, line 93, in predict_expression()File “D:/python_project/Recognition/recognition1.py”, line 67, in

File “h5py_objects.pyx”, line 54, in h5py._objects.with_phil.wrapperFile “h5py_objects.pyx”, line 55, in h5py._objects.with_phil.wrapperFile “h5py\h5f.pyx”, line 88, in h5py.h5f.openOSError: Unable to open file (unable to open file: name = ‘D:/pythonpro

安装python3.7安装pip：去 https://pypi.org/project/pip/#modal-close 下载一个tar.gz的文件夹，然后 解压，使用cmd进入解压目录，注意有子目录要去掉 。用pip安装numpy，不需要自己找版本，方便快捷...