virtualenv - How to get the newly added package into python virtual environment -

i have virtual environment python , hence activate this

#source  myname/bin/activate 

in host machine, have installed package

#sudo pip install scikit-image 

in virtual environment, m unable access scikit-image. how can newly added package existing virtual environment?

use pipwithout sudo in order install in environment. when use sudo become root, packages installed root.