Check sinaeresis behaviour

[aitordiaz]

Check why día is been marked as having sinaeresis but it is splitting it anyways and not giving a sinaeresis index

Me moriré en París con aguacero,
un día del cual tengo ya el recuerdo.

"phonological_groups": [
...
  {
    "syllable": "dí",
    "is_stressed": true,
    "has_sinaeresis": true
  },
  {
    "syllable": "a",
    "is_stressed": false,
    "is_word_end": true
  },
...]