Failed test with spans = [null]
description: input_string gets tagged with two facts PER and EMAIL. EMAIL fact spans are [[0,23]] but PER spans equal to [null] (see screenshot below)
location: test_mlp.py, function test_mlp_process line 55
input string: 'иван.сергеев@пример.рф'
error: TypeError: 'NoneType' object is not subscriptable
link to failed test run: https://git.texta.ee/texta/texta-mlp-python/-/jobs/3417