在安装pip3 install virtualenv时报了SSL异常 如图 pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.Collecting virtualenv Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after…

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…

pip install http://download.pytorch.org/whl/cu80/torch-0.2.0.post3-cp27-cp27mu-manylinux1_x86_64.whl pip install torchvision 今天在按照上面的命令安装pytorch的时候,首先将whl文件下载到本地,然后直接pip install该文件,再安装的时候报错,TypeError: unsupported operand type(s) for -=: 'Retry' and '…

$ pip install filetype Traceback (most recent call last): File "/usr/local/bin/pip2", line 11, in <module> sys.exit(main()) TypeError: 'module' object is not callable 绕过这一报错 $ python -m pip install filetype --user 参考链接 https://stackoverflo…

1. 要在~/.pip/pip.conf中添加源的地址. 2. 在运行pip install 命令的时候加上sudo -H…

问题描述,在使用pip安装django相关软件包时,提示错误如下: [root@test4 install]# pip install django==1.6 Downloading/unpacking django==1.6 Cannot fetch index base URL https://pypi.python.org/simple/ Could not find any downloads that satisfy the requirement django==1.6 Cleani…

由于pip官方的不作为,现如今python2(以及某些低版本python3)配套的pip,已经没法正常的安装pypi包了. 例如需要用到的一套PyCaffe的代码,是基于Python2的,于是用miniconda/anaconda创建了虚拟环境: conda create -n py27 python=2.7 然后尝试安装numpy: pip install numpy 结果提示: RuntimeError: Python version >= 3.5 required "老子用的是pyt…

Could not fetch URL https://pypi.python.org/simple/xxx/: There was a problem confirming the ssl certificate: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749) - skipping Could not find a version that satisfies the requirement xx…

1.下载安装包 https://www.python.org/ftp/python/ 该目录下选择所需要的版本进行下载.解压. wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz .tgz 2.二进制文件安装 1.创建存放目录 mkdir /usr/local/python3 2.运行脚本configure config是一个shell脚本,根据平台的特性生成Makefile文件,为下一步的编译做准备. 可以通过在 conf…

2017-03-23 报错原因: pip安装Python包会加载我的用户目录,我的用户目录恰好是中文的,ascii不能编码. 解决办法: python目录 Python27\Lib\site-packages 建一个文件sitecustomize.py 内容写: import sys sys.setdefaultencoding('gbk') python会自动运行这个文件.…

今天折腾了一天,安装pyspider,由于依赖包众多,而且搜索到所有信息多是在linux平台和mac平台下的安装教程.可怜我试了n多版本,一直不成功. 最后发现有人说python的版本,不能低于2.7.6,否则pycurl无法安装成功,一查我的是2.7.2. 好吧,卸载,重新安装python2.7.6. 似乎安装后,能够顺利安装pycurl了,但是easy_install 报错信息与编码相关: 在网上搜索找到解决方案:http://www.360doc.com/content/14/0508/0…

问题描述: 在有几台电脑上pip install paramike报错 报错内容: Could not find a version that satisfies the requirement sqlmap(from versions:)No matching distribution found for sqlmap Could not fetch URL https://pypi.python.org/simple/pip/: There was a problem confirming…

安装个distribute或nose或lpthw.web或virtualenv 都可能出现下面问题   root@kali:~# pip install distribute Collecting distribute Exception: Traceback (most recent call last):   File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main     statu…

缘起 在RocketMQ客户端的DefaultMQPushConsumer的start方法被执行时,时不时会报出invokeSync call timeout异常,如下: Caused by: java.lang.IllegalStateException: org.apache.rocketmq.remoting.exception.RemotingTimeoutException: invokeSync call timeout at org.apache.rocketmq.client.i…

问题产生 这两天业务系统在redis的使用过程中,当并行客户端数量达到200+之后,产生了大量timeout异常,典型的异常信息如下: Timeout performing HVALS Parser2#Hash#VersionState, inst: 1, mgr: ExecuteSelect, err: never, queue: 2, qu: 0, qs: 2, qc: 0, wr: 0, wq: 0, in: 0, ar: 0, clientName: GS-SERVER-2894, IO…

pip install cv2 安装cv2报错: Could not find a version that satisfies the requirement cv2 (from versions: )No matching distribution found for cv2 解决方案:安装opencv-python代替cv2 pip install opencv-python…

MyEclipse10.7+Maven项目junit单元测试报找不到类异常,附正常编译后的输出设置   1 首先想到的是输出路径错误 一般不是maven工程的项目编译后的.class文件会在/webapp/WEB-INF/classes目录下: 而maven工程项目编译后的.class文件应该是在/target目录下,源代码的输出应该是/target/classes目录,而测试代码的输出则应该是/target/test-classes目录! 设置方法: 1.工程右键 2.properties 3…

# 故障描述 shell > pip install gensim # 报错信息如下: Command "c:\users\op\appdata\local\programs\python\python35\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\op\\AppData\\Local\\Temp\\pip-bu ild-x0lf1g8n\\scipy\\setup.py';f=getat…

窗口命令pip install PIL(python3.6+selenium——2.53.1+pycharm) from PIL import Image from selenium import webdriverd=webdriver.Firefox()d.get('http://www.baidu.com')# 窗口最大化d.maximize_window()time.sleep(1)# 进行全屏截图d.get_screenshot_as_file('c:\mark666.png')# 定…

java 服务器 tomcat启动 报org.apache.catalina.LifecycleException异常 异常代码如下: [2018-05-10 04:45:08,856] Artifact ideaMavenDemo:war exploded: Artifact is being deployed, please wait...10-May-2018 16:45:09.887 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.cata…

emm今天群友发了个图,说他的pip报错,是这个问题 emmm这个问题我也不太懂,后来让他pip install requests这样操作,, 还是不管用,我寻思这个错咋回事,让他用  python -m pip install --upgrade pip 抱着试试的心态 ...成功了…

(一)问题描述 Centos7 安装python-igraph时,pip install python-igraph 报错,C core of igraph 没有安装. failure: repodata/repomd.xml from base: [Errno ] No more mirrors to try. Cannot find the C core of igraph on this system using pkg-config. We will now try to downloa…

生产销售系统出现 504 Gateway Timeout 异常,其实就是服务器响应太慢导致nginx带来超时,先不说服务端慢的优化问题:只是单纯的解决504.到网上发现了一篇文章fix it Add these variables to nginx.conf file: proxy_connect_timeout 600; proxy_send_timeout 600; proxy_read_timeout 600; send_timeout 600; Then restart nginx: s…

matplotlib是python中强大的画图模块. 首先确保已经安装python,然后用pip来安装matplotlib模块. 进入到cmd窗口下,建议执行python -m pip install -U pip setuptools进行升级. 接着键入python -m pip install matplotlib进行自动的安装,系统会自动下载安装包. 安装完成后,可以用python -m pip list查看本机的安装的所有模块,确保matplotlib已经安装成功. 如果你能看的上面的m…

pip install 时报错: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. 解决办法: For Windows 10 if you want use pip in normal cmd, not only in Anaconda prompt. you need add 3 environment paths. like the…

在安装pywinauto模块,导入模块后,提示缺少:win32api 但是在使用pip install安装win32api后,居然报错 错误信息如下: Could not find a version that satisfies the requirement win32api (from versions: ) No matching distribution found for win32api 所以找了一些文档,最有用安装pypiwin32后成功解决win32api不能安装问题: pip…

ERROR: Cannot uninstall 'tornado' ERROR: Cannot uninstall 'tornado'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall. pip install --ignore-installed <库名…

最近在安装mysql -python 时报错折腾了半天,通过以下方法解决: 1. pip install mysql-python报错 Unable to find vcvarsall.bat (参考网上链接http://blog.csdn.net/secretx/article/details/17472107) 解决方法:我的vs版本是2013所以设置环境变量: VS90COMNTOOLS=%VS120COMNTOOLS% 设置好后错误Unable to find vcvarsall.bat…

pip install MySQL-python 报错 pip install MySQL-python DEPRECATION: Python . Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7. Looking in indexes: http://mirrors.clou…

pip install cv2 安装报错是一个常见现象: ERROR: Could not find a version that satisfies the requirement cv2 (from versions: none) ERROR: No matching distribution found for cv2 解决方案一: 将CV2更改为opencv-python pip install opencv-python 刚方法解决不了则需使用国内的镜像源来加速,克服有时候网络不稳定时…