corpus file

[MarihamR]

corpus file has a problem
it gives the following error :
Traceback (most recent call last):
File "", line 1, in
File "/home/nour/anaconda3/envs/dataset2/lib/python3.9/site-packages/torch/serialization.py", line 607, in load
return _load(opened_zipfile, map_location, pickle_module, **pickle_load_args)
File "/home/nour/anaconda3/envs/dataset2/lib/python3.9/site-packages/torch/serialization.py", line 882, in _load
result = unpickler.load()
File "/home/nour/anaconda3/envs/dataset2/lib/python3.9/site-packages/torch/serialization.py", line 875, in find_class
return super().find_class(mod_name, name)
ModuleNotFoundError: No module named 'spacy.lemmatizer'