Update README.md
authorGreg Stein <gstein@gmail.com>
Sat, 17 Apr 2021 18:24:31 +0000 (13:24 -0500)
committerGitHub <noreply@github.com>
Sat, 17 Apr 2021 18:24:31 +0000 (13:24 -0500)
commit1c0d4b9e8e2a3ad19bbe2f57dd31c4caa4823ecf
tree9f8ff61906fa5032ea1010763ebc341c98bfd777
parente62a66818706c21088f1efbb3fb9442ba9e68ada
Update README.md

the output dir must exist. note this
README.md