volume.commit() dosen't work about llm-finetuning HOT 1 CLOSED

% modal run issue_21.py 
✓ Initialized. View run at https://modal.com/modal-labs/apps/ap-gQxpJazhCUBc1dE60M1Lue
✓ Created objects.
├── 🔨 Created mount /Users/erikbern/modal/issue_21.py
├── 🔨 Created f.
└── 🔨 Created g.
p=PosixPath('/root/foo/bar.txt') does not exist!
Created p=PosixPath('/root/foo/bar.txt')
Committed p=PosixPath('/root/foo/bar.txt')
p=PosixPath('/root/foo/bar.txt') does not exist!
p=PosixPath('/root/foo/bar.txt') contains 'hello'
Stopping app - local entrypoint completed.
✓ App completed. View run at https://modal.com/modal-labs/apps/ap-gQxpJazhCUBc1dE60M1Lue