code: def test_i():
      # Arrange
      c = b"a"
  
      # Act
      ret = IptcImagePlugin.i(c)
  
      # Assert
      assert ret == 97
  
file_path: pillow-simd/Tests/test_file_iptc.py
imports: import sys
  from io import StringIO
  from PIL import Image, IptcImagePlugin
  from .helper import hopper
label_desc: Use image node_id 4 for calling a global function with example usage: test_i() without return types