[sqlalchemy] None! Can't pickle : it's not the same object as sqlalchemy.orm.session.Session

Hi, Please help. Find issue with error message *"None! Can't pickle : it's not the same object as sqlalchemy.orm.session.Session"* while run the sqlalchemy orm *query and/or execute* syntax in Process (multiprocessing) -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper

Re: [sqlalchemy] Re: many-to-many orm warnings

I'm sorry you're getting bit by this messaging - but also glad that I'm not the only one. This got me a while ago too. SqlAlchemy just uses a bare field name when emitting the warning and accepting the `overlaps` arguments. In more complex models with 3+ tables that have standardize