code: def is_config(python2=None, python3=None, windows=None, linux=None, osx=None):
      
      return (
          python2 in (None, is_python2)
          and python3 in (None, is_python3)
          and windows in (None, is_windows)
          and linux in (None, is_linux)
          and osx in (None, is_osx)
      )
docs: Check if a specific configuration of Python version and operating system
      matches the user's setup. Mostly used to display targeted error messages.
  
      python2 (bool): spaCy is executed with Python 2.x.
      python3 (bool): spaCy is executed with Python 3.x.
      windows (bool): spaCy is executed on Windows.
      linux (bool): spaCy is executed on Linux.
      osx (bool): spaCy is executed on OS X or macOS.
      RETURNS (bool): Whether the configuration matches the user's platform.
  
      DOCS: https://spacy.io/api/top-level#compat.is_config