在golang中安装“ context”包？

I'm trying to install the context package in golang, which I did like this :

go get golang.org/x/net/context

But when I do an import "context", I still get the following error :

cannot find package "context" in any of:
/usr/lib/go-1.6/src/context (from $GOROOT)
/home/saurabh/work/src/context (from $GOPATH)

Can anyone suggest how to install this package ? I'm currently using version go1.6.2.

change import "context" to import "golang.org/x/net/context".

but after go 1.7 you can use import "context", as it had become a standard library.

Go 1.7 moves the golang.org/x/net/context package into the standard library as context.