On Thu, Apr 12, 2018 at 06:54:08AM -0700, Anvith Shivakumara wrote:
> I get the 'NotImplementedError: in_() is not supported for relationship' 
> exception.

maybe you want .has() or .any() ?

for ex:
session.query(SomeClass).filter(
  SomeClass.somecollection.any(someproperty='blabla')
)

> 
> Is there any plan to implement this in the near future? ls there any 
> particular reason for not having this implemented?
> 
> Thanks
> Anvith
> 
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SQLAlchemy - 
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http://www.sqlalchemy.org/

To post example code, please provide an MCVE: Minimal, Complete, and Verifiable 
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