[[analyzer.filter]] in .toml file does not recognize suppress_tags = "True"

[purecod3]

Description

With config.toml file containing the below, tags are not suppressed.

[[analyzers]]
method = "ngram-word"
ngram = 2
    [[analyzers.filter]]
    type = "icu-tokenizer"
    suppress_tags = "True"

    [[analyzers.filter]]
    type = "lowercase"

Steps

>>> import metapy
>>> ana = metapy.analyzers.load('config.toml')
>>> doc = metapy.index.Document()
>>> doc.content("I said that I can't believe that it only costs $19.95!")
>>> print(ana.analyze(doc))
{'costs_$': 1, 'only_costs': 1, '$_19.95': 1, "i_can't": 1, 'i_said': 1, 'that_i': 1, 'believe_that': 1, '!_</s>': 1, 'said_that': 1, '19.95_!': 1, 'that_it': 1, '<s>_i': 1, "can't_believe": 1, 'it_only': 1}

Other

When using below in config.toml, filters are suppressed.

[[analyzers]]
method = "ngram-word"
ngram = 2
filter = [{type = "icu-tokenizer", suppress-tags = true}, {type = "lowercase"}]