python报错集合

python报错集合

1.1.SyntaxError: ‘(’ was never closed，缺少括号，找到缺少的符号补全

File ".\test.py", line 1
    print ("Hello"
          ^
SyntaxError: '(' was never closed

1.2.ModuleNotFoundError No module named ‘HTMLTestRunner’，找不到HTMLTestRunner的模块，下载以后放在python/lib目录下即可
下载地址：http://tungwaiyip.info/software/HTMLTestRunner.html

运行脚本时提示：
SyntaxError: Non-UTF-8 code starting with ‘\xcf’ in file C:\Users\58298\PycharmProjects\huace_test\test6.py on line 1, but no encoding declared; see https://peps.python.org/pep-0263/ for details

一般是因为脚本中有中文注释，在首行加上以下代码即可
# coding:utf-8

2.运行时提示：

ModuleNotFoundError: No module named 'cv2'

使用国内源安装opencv库即可

pip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simple

3.运行时提示

ModuleNotFoundError: No module named 'mss'

使用国内源安装mss库即可

pip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simple