code: def ru_default_fixture():
      ru_segmenter = pysbd.Segmenter(
          language="ru", clean=False, char_span=False
      )
      return ru_segmenter
  
imports: import pytest
  import pysbd
label_desc: Use image node_id 14 for calling a global function with example usage: ru_default_fixture() and returns: ru_segmenter