code: def test_number():
      assert ImImagePlugin.number("1.2") == 1.2
  
file_path: pillow-simd/Tests/test_file_im.py
imports: import filecmp
  import pytest
  from PIL import Image, ImImagePlugin
  from .helper import assert_image_equal_tofile, hopper, is_pypy
label_desc: Use image node_id 12 for calling a global function with example usage: test_number() without return types