Implement a custom exception type for undefined variable errors
Implement a custom exception type for undefined variable errors

dajose/cookiecutter,audreyr/cookiecutter,willingc/cookiecutter,luzfcb/cookiecutter,terryjbates/cookiecutter,dajose/cookiecutter,willingc/cookiecutter,terryjbates/cookiecutter,pjbull/cookiecutter,hackebrot/cookiecutter,hackebrot/cookiecutter,stevepiercy/cookiecutter,luzfcb/cookiecutter,Springerle/cookiecutter,stevepiercy/cookiecutter,pjbull/cookiecutter,audreyr/cookiecutter,michaeljoseph/cookiecutter,Springerle/cookiecutter,michaeljoseph/cookiecutter