latest build on docker hub is non functional

[cimendes]

Greetings,

The latest build on dockerhub (tag latest) is non-functional. The program is exiting with the following error:

(base) cimendes@lobo-1:~/pneumo/in_silico_serotype/seroba_fabio_2021$ srun --nodes=1 --ntasks=1 --cpus-per-task=4 shifter --image=sangerpathogens/seroba:latest seroba runSerotyping /seroba/database/ /home/cimendes/pneumo/in_silico_serotype/seroba_fabio_2021/concatenated_reads/2017PP664_1.fastq.gz /home/cimendes/pneumo/in_silico_serotype/seroba_fabio_2021/concatenated_reads/2017PP664_2.fastq.gz /mnt/nfs/lobo/ONEIDA-NFS/cimendes/pneumo/in_silico_serotype/seroba_fabio_2021/outdir/2017PP664/seroba;
Traceback (most recent call last):
File "/usr/local/bin/seroba", line 4, in
import('pkg_resources').run_script('seroba==1.0.2', 'seroba')
File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 650, in run_script
self.require(requires)[0].run_script(script_name, ns)
File "/usr/lib/python3/dist-packages/pkg_resources/init.py", line 1453, in run_script
exec(script_code, namespace, namespace)
File "/usr/local/lib/python3.8/dist-packages/seroba-1.0.2-py3.8.egg/EGG-INFO/scripts/seroba", line 86, in
File "/usr/local/lib/python3.8/dist-packages/seroba-1.0.2-py3.8.egg/seroba/tasks/sero_run.py", line 13, in run
File "/usr/local/lib/python3.8/dist-packages/seroba-1.0.2-py3.8.egg/seroba/serotyping.py", line 34, in init
TypeError: unsupported operand type(s) for /: 'NoneType' and 'float'
srun: error: compute-1: task 0: Exited with exit code 1
srun: launch/slurm: _step_signal: Terminating StepId=2113593.0

Running the same command with build sangerpathogens/seroba:remove_sanger_pathogen_email works as expected.