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Description of proposed changes
Fixes a regression introduced by "Allow exception to bubble up when
priority file is bad." (63d6cb2) which accidentally changed the return
type of
read_priority_scores()
fromdefaultdict(float)
to dict.The calling code looks up sequences unconditionally in the priorities
dictionary and thus
defaultdict(float)
provides an appropriate fallbackvalue when no priority is explicitly given in the provided file.
Related issue(s)
Broke the nextstrain/ncov build on Augur 7.0.1.
Testing