问ImportError:无法导入名称'_ColumnEntity‘Ubuntu20.10

EN

pip install apache-superset

superset db upgrade

Traceback (most recent call last):
  File "/home/cod7/superset-env/bin/superset", line 5, in <module>
    from superset.cli import superset
  File "/home/cod7/superset-env/lib/python3.8/site-packages/superset/__init__.py", line 21, in <module>
    from superset.app import create_app
  File "/home/cod7/superset-env/lib/python3.8/site-packages/superset/app.py", line 24, in <module>
    from flask_appbuilder import expose, IndexView
  File "/home/cod7/superset-env/lib/python3.8/site-packages/flask_appbuilder/__init__.py", line 5, in <module>
    from .api import ModelRestApi  # noqa: F401
  File "/home/cod7/superset-env/lib/python3.8/site-packages/flask_appbuilder/api/__init__.py", line 21, in <module>
    from .convert import Model2SchemaConverter
  File "/home/cod7/superset-env/lib/python3.8/site-packages/flask_appbuilder/api/convert.py", line 4, in <module>
    from flask_appbuilder.models.sqla.interface import SQLAInterface
  File "/home/cod7/superset-env/lib/python3.8/site-packages/flask_appbuilder/models/sqla/interface.py", line 16, in <module>
    from sqlalchemy_utils.types.uuid import UUIDType
  File "/home/cod7/superset-env/lib/python3.8/site-packages/sqlalchemy_utils/__init__.py", line 1, in <module>
    from .aggregates import aggregated  # noqa
  File "/home/cod7/superset-env/lib/python3.8/site-packages/sqlalchemy_utils/aggregates.py", line 372, in <module>
    from .functions.orm import get_column_key
  File "/home/cod7/superset-env/lib/python3.8/site-packages/sqlalchemy_utils/functions/__init__.py", line 1, in <module>
    from .database import (  # noqa
  File "/home/cod7/superset-env/lib/python3.8/site-packages/sqlalchemy_utils/functions/database.py", line 11, in <module>
    from .orm import quote
  File "/home/cod7/superset-env/lib/python3.8/site-packages/sqlalchemy_utils/functions/orm.py", line 14, in <module>
    from sqlalchemy.orm.query import _ColumnEntity
ImportError: cannot import name '_ColumnEntity' from 'sqlalchemy.orm.query' (/home/cod7/superset-env/lib/python3.8/site-packages/sqlalchemy/orm/query.py)