code: def test_width_str():
      assert prop_width("str:254") == 254
      assert prop_width("str") == 80
  
file_path: Fiona/tests/test_props.py
imports: import json
  import os.path
  import tempfile
  import fiona
  from fiona import prop_type, prop_width
  from fiona.model import Feature
  from fiona.rfc3339 import FionaDateType
label_desc: Use image node_id 1 for calling a global function with example usage: test_width_str() without return types