【ERROR: No matching distribution found for cv2】的更多相关文章

ERROR: No matching distribution found for cv2

ImportError: No module named cv2和No matching distribution found for cv2的问题 原因 这个是由于没有导入opencv库导致的 解决方法 pip install opencv-python 使用pip导入即可 后记 [后记]为了让大家能够轻松学编程,我创建了一个公众号[轻松学编程],里面有让你快速学会编程的文章,当然也有一些干货提高你的编程水平,也有一些编程项目适合做一些课程设计等课题. 也可加我微信[1257309054],拉…

树莓派pip安装opencv报错，Could not find a version that satisfies the requirement cv2 (from versions: )No matching distribution found for cv2

前言 我在使用pip install opencv-python 时报错 Could not find a version that satisfies the requirement opencv (from versions: ) No matching distribution found for opencv 树莓派的镜像是默认装的镜像,没怎么装过其他东西的.我查看了python的版本,python是2.7版本的,树莓派镜像默认是装好了python2.分析原因,python2版本过久,无…

python Could not find a version that satisfies the requirement pymysql (from versions: none) ERROR: No matching distribution found for pymysql

使用pip安装pymysql出错;Could not find a version that satisfies the requirement cryptography (from pymysql) (from versions: ) No matching distribution found for cryptography (from pymysql) 今天使用pip安装pymysql时出现如下错误: Could not find a version that satisfies the…

python报错：ERROR: No matching distribution found for dns.resolver

可能有的小伙伴在安装dns.resolver的时候会遇到这个问题: 我百度的时候别人是: pip install dns-python 但是我这样安装也还是错误.有些时候是这个包改名了所以你没有搜索到.那么这里给大家分享一个解决的方案可以直接pip search dns 由此找到包名:dnspython pip install dnspython#通过这样成功安装…

Python 3.x pip安装报错ERROR: No matching distribution found for PIL

安装完成即可解决无法引入PIL的问题.…

Python之使用pip安装三方库Error:Could not find a version that satisfies the requirement <package>(from versions: none),No matching distribution found for <package>

出现多次使用pip安装包时提示以下报错: ERROR: Could not find a version that satisfies the requirement <package> (from versions: none)ERROR: No matching distribution found for <package> 看提示信息说是木有匹配的包版本,那既然这样就制定安装的Python的三方包的版本,但是也不行,那说明可能不是包版本问题. 网上查了下说有可能是网络问题,…

centos解决Could not find a version that satisfies the requirement pip3 (from versions: none)及No matching distribution found for pip3问题

python环境:python 3.8 报错信息: WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.Collecting pip3  WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after…

Python使用pip安装No matching distribution found for PyYaml==5.3.1

ERROR: Command errored out with exit status 1: command: /usr/local/dmahz/p_book_data/bin/python3.9 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-yqn97g8t/pyyaml_30670ccf25cc4caf94c339671933c1ca/setup.py'"'"'…

【原创】No matching distribution found for Twisted>=10.0.0 (from scrapy)

系统  Ubuntu14.04 python  2.7.11 运行  pip install scrapy  报错: No matching distribution found for Twisted>=10.0.0 (from scrapy) 需要手动安装Twisted, 从官网 https://twistedmatrix.com/trac/ 下载 Twisted-16.1.0.tar.bz2, 依次运行: tar -xjvf Twisted-16.1.0.tar.bz2cd Twisted…

error: no matching function for call to 'std::exception:exception(const char[16])'

环境:codeblocks 语言:C++ 在执行:throw new exception("queue is empty.");时 遇到问题:error: no matching function for call to 'std::exception:exception(const char[16])' 解决办法:修改为 std::logic_error e("xxx."); throw std::exception(e);…