Github user ottobackwards commented on the issue:
https://github.com/apache/metron/pull/728
Thanks for the contribution! This looks really nice.
The question is have is the validation of parameters and the default
return. With the FUZZY_SCORE effort, we discussed returning a default 0 score
when input parameters where wrong, and changed so that errors in parameters
where known. This seems to me to be kind of the same thing. If a non-iterable
is passed, should it not be an error?
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