$sudo easy_install easygui
Searching for easygui
Reading http://pypi.python.org/simple/easygui/
Reading http://easygui.sourceforge.net/
Best match: easygui 0.95
Downloading http://easygui.sourceforge.net/download/current_version/easygui_v0.95.tar.gz#egg=easygui-0.95
error: Can't download http://easygui.sourceforge.net/download/current_version/easygui_v0.95.tar.gz: 404 Not Found
I didn't create, and I don't maintain, the link on pypi.
You should report this problem to whoever owns the link on pypi.
The pypi link has now been fixed. Easy_install and PIP should let you download and install easyGUI V0.96.