ImportError: cannot import name ‘_ColumnEntity’ from ‘sqlalchemy.orm.query’

The core reason for this is that sqlalchemy 1.4 shipped, so it is now the default that pip installs. There were many interface changes and a new query interface added. So upgrading to 1.4 breaks stuff that depends on the sqlalchemy 1.3 API internals. In your requirements.txt file– pin the project version to the 1.3.x … Read more