如何解决导入错误:无法导入名称 '_ColumnEntity' Ubuntu20.10
pip install apache-superset
那我写了
superset db upgrade
我收到以下错误
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",in <module>
from .api import ModelRestApi # noqa: F401
File "/home/cod7/superset-env/lib/python3.8/site-packages/flask_appbuilder/api/__init__.py",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",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)
请帮帮我,我长期以来一直面临这个错误
解决方法
您已经安装了 SQLAlchemy 1.4.0。 SQLAlchemy-utils 目前与 SQLAlchemy > 1.4.0 不兼容。解决方案是将 SQLAlchemy 降级到 1.3.23。
pip install SQLAlchemy==1.3.23
有关详细信息,请参阅 Temporarily require sqlalchemy <1.4.0 to make compatible with sqlalchemy-utils。
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