Hi, I am going through the Pyramid quick tutorial.
While initializing the database, I am getting the below error. Can some one point me out, what would cause this error. I am completely new to python and pyramid moving here from Ruby world. http://docs.pylonsproject.org/projects/pyramid/en/latest/quick_tutorial/databases.html izero@Rudra ~/devel/pyramid/databases $ ~/python-site-dist/intialize_tutorial_db development.ini 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] () 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] () 2015-11-29 20:02:46,174 INFO [sqlalchemy.engine.base.Engine][MainThread] PRAGMA table_info("wikipages") 2015-11-29 20:02:46,174 INFO [sqlalchemy.engine.base.Engine][MainThread] () 2015-11-29 20:02:46,175 DEBUG [tutorial.initialize_db][MainThread] <tutorial.models.Page object at 0xb658a8ac> 2015-11-29 20:02:46,175 DEBUG [tutorial.initialize_db][MainThread] Root Traceback (most recent call last): File "/home/izero/python-site-dist/intialize_tutorial_db", line 9, in <module> load_entry_point('tutorial==0.0.0', 'console_scripts', 'intialize_tutorial_db')() File "/home/izero/devel/pyramid/databases/tutorial/initialize_db.py", line 40, in main DBSession.add(model) File "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/scoping.py", line 150, in do return getattr(self.registry(), name)(*args, **kwargs) File "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", line 1588, in add self._save_or_update_state(state) File "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", line 1600, in _save_or_update_state self._save_or_update_impl(state) File "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", line 1855, in _save_or_update_impl self._save_impl(state) File "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", line 1827, in _save_impl self._attach(state) File "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", line 1955, in _attach self.dispatch.after_attach(self, state.obj()) File "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/event/attr.py", line 256, in __call__ fn(*args, **kw) TypeError: after_attach() missing 1 required positional argument: 'instance' Srikanth -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.