Added handling of None

Solves #55 (closed).

requested review from @cmoineau

assigned to @olivierbichler

changed the description

mentioned in issue #55 (closed)

added Enhancement ⭐ label

added 8 commits

• 19e0a059...7ee5febe - 7 commits from branch dev
• 428859d6 - Added handling of None

Compare with previous version

enabled an automatic merge when the pipeline for 428859d6 succeeds

approved this merge request

mentioned in commit 786bd2ae

merged