Fix issue #564

[rubencalje]

Short Description

This pull request fixes issue #564 by not saving the oseries variable in the TarsoModel anymore. This variable is only used to determine dmin and dmax, which are stored in TarsoModel. So there is no need to also keep a reference to oseries.

Checklist before PR can be merged:

• closes issue Export and importing Tarso model #564
• is documented
• Format code with Black formatting
• type hints for functions and methods
• tests added / passed
• Example Notebook (for new features)
• Remove output for all notebooks with changes

[codacy-production]

Coverage summary from Codacy

Merging #565 (d0df646) into dev (cf48f09) - See PR on Codacy

Coverage variation	Diff coverage
✅ +0.01% (target: +0.00%)	∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (cf48f09)	4893	3513	71.80%
Head commit (d0df646)	4891 (-2)	3512 (-1)	71.81% (+0.01%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#565)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences