C:\Users\Sriram A>pip install pandas
Fatal error in launcher: Unable to create process
using '"C:\Python39\python.exe"
"C:\Program Files (x86)\Python39\Scripts\pip.exe"
安装熊猫‘:系统找不到指定的文件。
我使用的是Python 3.9,我刚刚使用pip安装了numpy版本1.19.4。然而,我得到了以下错误消息:
WARNING: The script f2py.exe is installed in
'c:\users\paul\appdata\local\programs\python\python39\Scripts' which is not on PATH.
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-
script
为了升级和清理,我重新设置了我的电脑并安装了Windows 10。当然,我经常安装Python。但是,当我试图使用命令“”安装MatPlotLib时,它会显示红色显示的错误消息:
C:\Users\majkl\AppData\Local\Programs\Python\Python39\Scripts>pip install matplotlib
Collecting matplotlib
Using cached matplotlib-3.3.2.tar.gz (37.9 MB)
ERROR: Command errored out with exit status
我正在尝试将我的python程序编译成一个android APK文件。我安装了'python-for-android‘包。当我尝试使用它时,我出现了一个错误,显示为C:\Program Files\Python39\python.exe: No module named python-for-android。有人能告诉我出了什么问题吗?
在安装了Python3.9的Windows上安装TensorFlow时,使用以下命令: pip install tensorflow 出现以下错误,并显示警告: WARNING: Failed to write executable - trying to use .deleteme logic
ERROR: Could not install packages due to an OSError: [WinError 2]
The system cannot find the file specified: 'c:\\python39\\Scripts\\pyrsa-decry
我尝试了相当多的方法。
然而,这一切最终都是
pip -v
Fatal error in launcher: Unable to create process using '"c:\python39\python.exe"
"C:\Python39\Scripts\pip.exe" -v': The system cannot find the file specified.
> python
Python 3.9.1 (tags/v3.9.1:1e5d33e, Dec 7 2020, 17:08:21) [MSC v.1927 64
当我尝试用pip install selenium安装Selenium模块时,我得到了这个错误: Fatal error in launcher: Unable to create process using '"c:\python39\python.exe" "C:\Python39\Scripts\pip.exe" install selenium': The system cannot find the file specified.