from PyQt4.QtGui import * 提示 ImportError: DLL load failed: %1 is not a valid Win32 application.

个人用64位电脑安装了64位的PyQt后 from PyQt4.QtGui import * 提示 ImportError: DLL load failed: %1 is not a valid Win32 application.

后卸载64位的PyQt后，再装32位的PyQt后则成功。目测是之前装的Python2.7是32位的，与64位的PyQt不兼容。