Fix tool `get_sbml_model` #27

Job	Run time
Setup cache and determine changed repositories (3.7)	40s
Lint tool-list (3.7)	35s
Lint Python scripts (3.7)	9s
Test tools (0, 3.7)	7m 34s
Check file sizes	6s
Lint R scripts (ubuntu-20.04, release)	1m 14s
Combine chunked test results (3.7)	40s
Check workflow success	1s
Deploy	0s
Report deploy status	0s
	10m 59s

Provide feedback