-nan of 0 (pass 0 + fail 0) reads passed base-calling

[liushuqing506]

use:
singularity exec -e -B /data:/data deepsimulator.sif /deepsimulator/DeepSimulator/deep_simulator.sh -i example/artificial_human_chr22.fasta -B 2

bug：
0% 10 20 30 40 50 60 70 80 90 100%
|----|----|----|----|----|----|----|----|----|----|

---

Caller time: 101 ms, Samples called: 0, samples/s: 0
Finishing up any open output files.
Basecalling completed successfully.
Basecalling finished!
Checking the read accuracy...
Here is the mapping identity: -nan of 0 (pass 0 + fail 0) reads passed base-calling.

question:
inputdata : example/artificial_human_chr22.fasta