Missing trailing slash sample path, lesson1
Missing trailing slash sample path, lesson1

Adds a trailing path to the dogcats/sample path so you don't get an
error later in the notebook.

asmith26/courses,briandalessandro/courses,radekosmulski/courses,appleby/fastai-courses,matsaleh13/courses,fastai/courses,benkoo/fast_ai_coursenotes,briandalessandro/courses,neto71/courses-1,fazzolini/fast_ai,fastai/courses,sainathadapa/fastai-courses,nik-hil/fastai,organicmatters/Learnfastai,yingchi/fastai-notes,droud/courses,VadimMalykh/courses,kmclaugh/fastai_courses,radekosmulski/courses,appleby/fastai-courses,droud/courses,matsaleh13/courses,yingchi/fastai-notes,neto71/courses-1,VadimMalykh/courses,kmclaugh/fastai_courses,nik-hil/fastai,fazzolini/fast_ai,asmith26/courses,organicmatters/Learnfastai,sainathadapa/fastai-courses,benkoo/fast_ai_coursenotes