Python 2.7 如何在Ubuntu 14.04中安装pyQt?

Python 2.7 如何在Ubuntu 14.04中安装pyQt?,python-2.7,pyqt,ubuntu-14.04,Python 2.7,Pyqt,Ubuntu 14.04,我需要在ubuntu 14.04版本中安装pyQt。但是当我使用 sudo apt-get install python-qt4 然后,我得到了一些错误,比如: Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/libx/libxslt/libxslt1-dev_1.1.28-2build1_amd64.deb Size mismatch E: Unable to fetch some archives, maybe

我需要在ubuntu 14.04版本中安装pyQt。但是当我使用

sudo apt-get install python-qt4
然后,我得到了一些错误,比如:

Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/libx/libxslt/libxslt1-dev_1.1.28-2build1_amd64.deb  Size mismatch

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

您是否尝试过:是的,我也尝试过@Shubhamexecute:
sudo-apt-get-y-update&&sudo-apt-get--fix-missing&&sudo-apt-get-install python-pyqt4
当我执行以下命令时:GPG-error:trusty-InRelease:Clearsigned文件无效,获得'NODATA'(网络是否需要身份验证?)