error test Python virtual environment

[0xheycat]

im to try to test with command

pytest

and got following result

=================================================== ERRORS ====================================================____________________________ ERROR collecting tests/pathfinder_worker/test_call.py ____________________________tests/pathfinder_worker/test_call.py:9: in <module>
    from starkware.starknet.services.api.gateway.transaction import InvokeFunction, Declare
.venv/lib/python3.10/site-packages/starkware/starknet/services/api/gateway/transaction.py:11: in <module>
    from services.everest.api.gateway.transaction import EverestTransaction
.venv/lib/python3.10/site-packages/services/everest/api/gateway/transaction.py:5: in <module>
    from starkware.starkware_utils.validated_dataclass import ValidatedMarshmallowDataclass
.venv/lib/python3.10/site-packages/starkware/starkware_utils/validated_dataclass.py:13: in <module>
    from starkware.starkware_utils.validated_fields import Field
.venv/lib/python3.10/site-packages/starkware/starkware_utils/validated_fields.py:12: in <module>
    from starkware.starkware_utils.marshmallow_dataclass_fields import (
.venv/lib/python3.10/site-packages/starkware/starkware_utils/marshmallow_dataclass_fields.py:9: in <module>
    from frozendict import frozendict
.venv/lib/python3.10/site-packages/frozendict/__init__.py:16: in <module>
    class frozendict(collections.Mapping):
E   AttributeError: module 'collections' has no attribute 'Mapping'
=========================================== short test summary info ===========================================ERROR tests/pathfinder_worker/test_call.py - AttributeError: module 'collections' has no attribute 'Mapping'
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!============================================== 1 error in 0.86s ===============================================

[sergey-melnychuk]

Wrong Python version, please use 3.9 or 3.10. See here: https://stackoverflow.com/a/70195883

[0xheycat]

Thank solved