Update vgg16.py
Update vgg16.py

updated FILE_PATH to files.fast.ai in __init__
sainathadapa/fastai-courses,fastai/courses,kmclaugh/fastai_courses,yingchi/fastai-notes,nik-hil/fastai,matsaleh13/courses,radekosmulski/courses,radekosmulski/courses,fastai/courses,appleby/fastai-courses,appleby/fastai-courses,fazzolini/fast_ai,nik-hil/fastai,yingchi/fastai-notes,kmclaugh/fastai_courses,sainathadapa/fastai-courses,fazzolini/fast_ai,matsaleh13/courses