Problème dépendances

Bonjour,
Je suis sous Jeedom V4.0.47 sur Raspberry Pi3B.
Tout marchait très bien mais depuis un moment les dépendances de Google Cast ne veulent plus se lancer.
J’ai essayé à plusieurs reprises, désinstaller Python 3, désinstaller Goolecast.
Je ne sais plus quoi faire.
Merci.

Log du plugin :

Fatal Python error: initsite: Failed to import the site module
Error processing line 1 of /usr/local/lib/python3.7/dist-packages/protobuf-3.11.2-py2.7-nspkg.pth:
Traceback (most recent call last):
File "/usr/lib/python3.7/site.py", line 174, in addpackage
exec(line)
File "<string>", line 1, in <module>
File "/usr/lib/python3.7/importlib/util.py", line 14, in <module>
from contextlib import contextmanager
File "/usr/lib/python3.7/contextlib.py", line 5, in <module>
from collections import deque
ImportError: cannot import name 'deque' from 'collections' (unknown location)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.7/site.py", line 603, in <module>
main()
File "/usr/lib/python3.7/site.py", line 590, in main
known_paths = addsitepackages(known_paths)
File "/usr/lib/python3.7/site.py", line 366, in addsitepackages
addsitedir(sitedir, known_paths)
File "/usr/lib/python3.7/site.py", line 213, in addsitedir
addpackage(sitedir, name, known_paths)
File "/usr/lib/python3.7/site.py", line 184, in addpackage
import traceback
File "/usr/lib/python3.7/traceback.py", line 5, in <module>
import linecache
File "/usr/lib/python3.7/linecache.py", line 8, in <module>
import functools
File "/usr/lib/python3.7/functools.py", line 21, in <module>
from collections import namedtuple
ImportError: cannot import name 'namedtuple' from 'collections' (unknown location)
Fatal Python error: initsite: Failed to import the site module
Error processing line 1 of /usr/local/lib/python3.7/dist-packages/protobuf-3.11.2-py2.7-nspkg.pth:
Traceback (most recent call last):
File "/usr/lib/python3.7/site.py", line 174, in addpackage
exec(line)
File "<string>", line 1, in <module>
File "/usr/lib/python3.7/importlib/util.py", line 14, in <module>
from contextlib import contextmanager
File "/usr/lib/python3.7/contextlib.py", line 5, in <module>
from collections import deque
ImportError: cannot import name 'deque' from 'collections' (unknown location)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3.7/site.py", line 603, in <module>
main()
File "/usr/lib/python3.7/site.py", line 590, in main
known_paths = addsitepackages(known_paths)
File "/usr/lib/python3.7/site.py", line 366, in addsitepackages
addsitedir(sitedir, known_paths)
File "/usr/lib/python3.7/site.py", line 213, in addsitedir
addpackage(sitedir, name, known_paths)
File "/usr/lib/python3.7/site.py", line 184, in addpackage
import traceback
File "/usr/lib/python3.7/traceback.py", line 5, in <module>
import linecache
File "/usr/lib/python3.7/linecache.py", line 8, in <module>
import functools
File "/usr/lib/python3.7/functools.py", line 21, in <module>
from collections import namedtuple
ImportError: cannot import name 'namedtuple' from 'collections' (unknown location)