[Sqlalchemy-tickets] Issue #4070: tuple_ returns string whereas I would expect tuple (zzzeek/sqlalchemy)

[dima-starosud <iss...@bi...>]

New issue 4070: tuple_ returns string whereas I would expect tuple
https://bitbucket.org/zzzeek/sqlalchemy/issues/4070/tuple_-returns-string-whereas-i-would

dima-starosud:

Hello team

I am observing following behavior.
For me it looks incorrect. I would expect `tuple_` to parse SQL result before returning to application code.

```
#!python

In [22]: db.query(tuple_(1,None,tuple_('Hello', 42),3,'')).scalar()
Out[22]: '(1,,"(Hello,42)",3,"")'
```