- Bugfix for transforms.

- Make a list of attributes not to copy --> faster slicing.
- isclosed attribute.
- disable __del__ for now because it doesn't play nice with multiprocessing

setup.py

@@ -2,7 +2,7 @@ import setuptools
 import platform
 import os
 
-version = '2022.7.0'
+version = '2022.7.1'
 
 if platform.system().lower() == 'linux':
     import pkg_resources