ImportError:无法导入名称异常FLASK Python

Question

我在Python中使用SQLite和Flask。我的问题是我试图创建一个数据库，但是我得到了一个错误“ImportError:cannot import name exceptions”。在

python db_create.py

分贝_创建.py

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错误

Traceback (most recent call last):
  File "db_create.py", line 2, in <module>
    from migrate.versioning import api
  File "/home/desarrollo3/.local/lib/python2.7/site-packages/migrate/versioning/api.py", line 33, in <module>
    from migrate.versioning import (repository, schema, version,
  File "/home/desarrollo3/.local/lib/python2.7/site-packages/migrate/versioning/schema.py", line 10, in <module>
    from sqlalchemy import exceptions as sa_exceptions
ImportError: cannot import name exceptions

Answer 1

要解决此问题，我必须安装sqlalchemy-migrate包：

pip install sqlalchemy-migrate