当使用pip install或者pip install --upgrade报错 Can't roll back cryptography; was not uninstalled 可以进行以下的尝试: sudo apt-get install libssl-dev libffi-dev 之后再继续pip install…
本机环境RHEL8, Python3.9 pip install: 无法安装最新版本的包 在pypi上查看pkg的页面,因为有些pip包的版本对特定的python版本有要求 pip install error: "Python.h: No such file or directory" src/kerberos.c:18:10: fatal error: Python.h: No such file or directory #include <Python.h> ^~~~…
Exception: Traceback (most recent call last): File , in main status = self.run(options, args) File , in run root=options.root_path, File , in install requirement.uninstall(auto_confirm=True) File , in uninstall paths_to_remove.remove(auto_confirm) Fi…
pod install 和 pod update的区别 pod install(下载并安装pod) 1,当pod file文件中有“增加pod,删除pod,修改pod”的操作之后使用. 2,pod install执行完之后会将已下载的依赖库的版本号添加进podfile.lock文件 3,pod install根据podfile.lock文件列出的已安装的pod的版本信息,只负责下载安装podfile.lock中不存在的pod,不会自动更新已安装的pod的版本. pod update (更新已…
sudo pip install mysql-connector-python 报错信息:Collecting mysql-connector-python Could not find a version that satisfies the requirement mysql-connector-python (from versions: )No matching distribution found for mysql-connector-python 解决方案:wget https:/…
win7下 pip install robotframework-sshlibrar时提示: error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.bat). Get it from http://aka.ms/vcpython27 解决办法:安装Micorsoft Visual C++ Compiler for Python 2.7 下载地址:http://www.microsoft.com/en-us/do…