Added apt-get update in yml

2 jobs for pages in 1 minute and 22 seconds
Status Job ID Name Coverage
  Build
passed #86309
build_dep

00:01:10

 
  Deploy
failed #86310
pages

00:00:12

 
Name Stage Failure
failed
pages Deploy
ipynb
pyfiles
requirements.txt
todo.md
$ echo $(pwd)
/builds/python-uga/training-hpc
$ make presentations
/bin/bash: line 83: make: command not found
ERROR: Job failed: exit code 1