Impossible to initialize Elixir
Question: I'm starting with Elixir and SQL Alchemy. I've created a python file
connecting with a Mysql database to but as soon as I execute with python I get
the error bellow:

    
    
    root@raspberrypi:/Python/mainFlask/yonkiPOPS# python yonki.py
    Traceback (most recent call last):
      File "yonki.py", line 1, in <module>
        from elixir import metadata, Entity, Field
      File "/usr/local/lib/python2.7/dist-packages/Elixir-0.7.1-py2.7.egg/elixir/__init__.py", line 29, in <module>
        from elixir.entity import Entity, EntityBase, EntityMeta, EntityDescriptor, \
      File "/usr/local/lib/python2.7/dist-packages/Elixir-0.7.1-py2.7.egg/elixir/entity.py", line 17, in <module>
        from sqlalchemy.orm import MapperExtension, mapper, object_session, \
    ImportError: cannot import name ScopedSession
    

I have been looking for it but I don't find the reason. This is the yonki.py
file:

    
    
                                                                                                                                                                                                                                                                                from elixir import metadata, Entity, Field
    from elixir import Unicode, UnicodeText   
    from elixir import *
    class User(Entity): 
            username = Field(String(64))
    
    metadata.bind = 'mysql://root:nomasandroid42@localhost/yonkiPOPS'
    session.bind.echo = True
    setup_all()
    create_all()
    

I think that it's maybe due to a required module not installed but I don't
know which one.


Answer: Elixir 0.7.1 seems to be incompatible with the latest version of SQLalchemy,
0.8. You can solve that problem with

    
    
    sudo pip install SQLAlchemy==0.7.8
    

