I'm using latest sqlalchemy (this was also occurring with 1.1.x branch) 
with flask and flask-sqlalchemy. For some reason I'm randomly getting this 

1. Checking the group there were similar problems but some mentioned that 
problem is with database going away
2. Others mentioned that session is not correctly started/closed. As 
mentioned, I'm using flask-sqlalchemy. 

Is anyone else experiencing same problem? Any tips how to approach this? Is 
this flask-sqlalchemy problem? 

SQLAlchemy - 
The Python SQL Toolkit and Object Relational Mapper


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