from collections import MutableMapping__main__:1: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working
Change that to
from collections.abc import MutableMapping
There is deprecation in src/datrie.pyx line 18:
from collections import MutableMapping
__main__:1: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working
Change that to
from collections.abc import MutableMapping
and the noisy warning will gone.