I'm following the PylonsHQ Documentation on models:
http://pylonshq.com/docs/en/1.0/models/

I have managed to follow the docs until the portion where I am trying
to create the database. The code I add to websetup.py is as follows:

from myapp.model.meta import Base, Session
log.info("Creating tables")
Base.metadata.drop_all(checkfirst=True, bind=Session.bind)
Base.metadata.create_all(bind=Session.bind)
log.info("Successfully setup")

When I run "$ paster setup-app development.ini" command, I get the
following error:

sqlalchemy.exc.UnboundExecutionError: The MetaData is not bound to an
Engine or Connection.  Execution can not proceed without a database to
execute against.  Either execute with an explicit connection or assign
the MetaData's .bind to enable implicit execution.


I am using a MySQL server running on an Ubuntu machine to try out the
example.

Does anybody know why I am getting the error?

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