Script was missing one step when running from commit hook; fixed.
Script was missing one step when running from commit hook; fixed.

ehmatthes/intro_programming,BadWizard/intro_programming,nntisapeh/intro_programming,chenleo/ipynotebook,BadWizard/intro_programming,BadWizard/intro_programming,ehmatthes/intro_programming,ehmatthes/intro_programming,BadWizard/intro_programming,nntisapeh/intro_programming,chenleo/ipynotebook,ehmatthes/intro_programming,nntisapeh/intro_programming,nntisapeh/intro_programming,chenleo/ipynotebook,chenleo/ipynotebook