docs: def check64bit(current_system="python"):
      """checks if you are on a 64 bit platform"""
      if current_system == "python":
          return sys.maxsize > 2147483647
      elif current_system == "os":
          import platform
          pm = platform.machine()
          if pm != ".." and pm.endswith('64'):  # recent Python (not Iron)
              return True
          else:
              if 'PROCESSOR_ARCHITEW6432' in os.environ:
                  return True  # 32 bit program running on 64 bit Windows
              try:
                  # 64 bit Windows 64 bit program
                  return os.environ['PROCESSOR_ARCHITECTURE'].endswith('64')
              except IndexError:
                  pass  # not Windows
              try:
                  # this often works in Linux
                  return '64' in platform.architecture()[0]
              except Exception:
                  # is an older version of Python, assume also an older os@
                  # (best we can guess)
                  return False