Open up python source easily inside of VIM
<leader>sft opens up source in a new tab
<leader>sfs opens up source in a new split
<leader>sfv opens up source in a new vertical split
When your cursor is on a line such as.
from django.views.generic.list import ListView
<leader>sft will open up the list.py file in a new tab. It will
also work when the line is
import argparse it will show the source for it.