Refactor get_tau_sigma
and support lists of variables
#7185
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What is this PR about?
This PR refactors the
get_tau_sigma
logic in order to support lists ofVariable
s and fixes #6987.N.B. The original code had a positivity check for non-
Variable
arguments, but not forVariable
arguments. Since this PR casts the arguments toVariable
, I've removed the positivity check for non-Variable
arguments.Resubmission of #6988
Checklist
Major / Breaking Changes
get_tau_sigma
now always returns aVariable
, even when scalars are passedNew features
Bugfixes
get_tau_sigma
does not support list of variables #6987Documentation
Maintenance
📚 Documentation preview 📚: https://pymc--7185.org.readthedocs.build/en/7185/