SELFPATH is empty string

[jennydaman]

pl-s3path/s3path/s3path.py

Line 26 in 559b809

SELFPATH = os.path.dirname(__file__)

CWD is /usr/src/s3path so __file__ merely gives s3path.py

# from Dockerhub
docker run --rm fnndsc/pl-s3path s3path.py --json | jq .selfpath
# build against recent base image
docker build -t local/pl-s3path . && docker run --rm local/pl-s3path s3path.py --json | jq .selfpath

Both cases yield ""