[Backfill corrections] Force modeling to use GLPK if gurobi license info isn't provided #1812
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@krivard This is ready to merge |
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Description
Check if the gurobi license info is available, valid, and not expired. If gurobi license is expired (anticipated to be the most common license issue), stop with an error. If the gurobi license is not valid for any other reason, print the message, raise our own warning, and use GLPK to fit the models instead.
Update tests to explicitly use GLPK.
Changelog
model.Rutils.RFixes
Closes #1715.