This error has occurred. "ModuleNotFoundError: No module named 'pytest'"

[jilianwang-meta]

Traceback (most recent call last):
File "/wjl/transformers/examples/pytorch/language-modeling/run_clm.py", line 51, in
from transformers.testing_utils import CaptureLogger
File "/wjl/tutorial-env/lib/python3.10/site-packages/transformers/testing_utils.py", line 39, in
from pytest.doctest import (
ModuleNotFoundError: No module named 'pytest'
Traceback (most recent call last):
File "/wjl/transformers/examples/pytorch/language-modeling/run_clm.py", line 51, in
from transformers.testing_utils import CaptureLogger
File "/wjl/tutorial-env/lib/python3.10/site-packages/transformers/testing_utils.py", line 39, in
from pytest.doctest import (
ModuleNotFoundError: No module named 'pytest'

[jilianwang-meta]

Have you ever encountered such a mistake? How did you solve it?

[foundten]

try, pip install pytest.