Traceback (most recent call last):
 File "/owlbot/src/fix-poms.py", line 504, in <module>
   main()
 File "/owlbot/src/fix-poms.py", line 472, in main
   update_parent_pom("pom.xml", modules)
 File "/owlbot/src/fix-poms.py", line 174, in update_parent_pom
   m.text for i, m in enumerate(existing) if m.text not in module_names
TypeError: 'NoneType' object is not iterable

cd google-cloud-java; git fetch
git checkout -b java-grafeas_postprocessor origin/main 
mkdir -p owl-bot-staging/java-grafeas
docker run --rm --user "$(id -u):$(id -g)"         -v "$(pwd):/workspace"   -w /workspace         --env HOME=/tmp         gcr.io/cloud-devrel-public-resources/owlbot-java