null using realtionextraction example with rebel-large

[ior308]

Dear,

I got null using as input a sentence from hugging model page:

[root@minix8 cybertron@v0.1.2]# go run ./examples/relationextraction/main.go ./examples/relationextraction/triplets.go
{"level":"debug","file":"models/Babelscape/rebel-large/config.json","time":"2023-08-20T19:36:59+02:00","message":"model file already exists, skipping download"}
{"level":"debug","file":"models/Babelscape/rebel-large/pytorch_model.bin","time":"2023-08-20T19:36:59+02:00","message":"model file already exists, skipping download"}
{"level":"debug","file":"models/Babelscape/rebel-large/vocab.json","time":"2023-08-20T19:36:59+02:00","message":"model file already exists, skipping download"}
{"level":"debug","file":"models/Babelscape/rebel-large/merges.txt","time":"2023-08-20T19:36:59+02:00","message":"model file already exists, skipping download"}
{"level":"info","model":"models/Babelscape/rebel-large/spago_model.bin","time":"2023-08-20T19:36:59+02:00","message":"model file already exists, skipping conversion"}

Punta Cana is a resort town in the municipality of Higuey, in La Altagracia Province, the eastern most province of the Dominican Republic
34.411670253
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