Update model_usage to an enum

Closes #260 (closed)

changed milestone to %0.3.6

added P3 label

assigned to @mblanco

requested review from @yschneider

resolved all threads

resolved all threads

added 1 commit

• 25d4375d - Apply 2 suggestion(s) to 1 file(s)

Compare with previous version

added 4 commits

• 25d4375d...826d964b - 2 commits from branch master
• eb065229 - Update model_usage to an enum
• c32b2cea - Apply 2 suggestion(s) to 1 file(s)

Compare with previous version

enabled an automatic merge when the pipeline for c32b2cea succeeds

merged