pyinstaller ImportError: The 'packaging' package is required; ...

运行python2.6.6上使用pyinstaller打包的应用程序报错ImportError: The ‘packaging’ package is required; normally this is bundled with this package so if you get this warning, consult the packager of your distribution.

问题描述

运行python2.6.6上使用pyinstaller打包的应用程序报下面的错误

Traceback (most recent call last):File "", line 11, in File "c:\python27\Lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 389, in load_moduleexec(bytecode, module.__diact__)File "site-packages\pkg_resources\__init__.py", line 74, in File "site-packages\pkg_resources\extern\__init__.py", line 60, in load_module
ImportError: The 'packaging' package is required; normally this is bundled with this package so if you get this warning, consult the packager of your distribution.
pyi_rth_pkgres returned -1

解决办法

使用 pip list 查看已经安装的包，发现是setuptools包的版本太高，环境里的setuptools版本是20.x.x。

果断卸载并安装低版本的setuptools(19.2)，如下：

pip uninstall setuptools
pip install setuptools==19.2

重新打包python脚本再运行，问题解决。

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