message: Fix path DLL handling for older version of Python
diff: @@ -9,7 +9,10 @@ if os.name == 'nt':
  d = __file__
  for i in range(3):
  d = os.path.dirname(d)
  + try: # try to use Python 3.8's DLL handling
  os.add_dll_directory(d)
  + except AttributeError: # otherwise use PATH
  + os.environ['PATH'] += os.pathsep + d
  del d, i
  del sys, os
  