gistfile1.txt

Error
Traceback (most recent call last):
  File "/Users/jon/Env/lib/python2.6/unittest.py", line 270, in run
    self.setUp()
  File "test_excel.py", line 19, in setUp
    self.data.setup()
  File "/Users/jon/Env/lib/python2.6/site-packages/fixture-1.4-py2.6.egg/fixture/base.py", line 71, in setup
    self.loader.load(self.data)
  File "/Users/jon/Env/lib/python2.6/site-packages/fixture-1.4-py2.6.egg/fixture/loadable/loadable.py", line 193, in load
    self.wrap_in_transaction(loader, unloading=False)
  File "/Users/jon/Env/lib/python2.6/site-packages/fixture-1.4-py2.6.egg/fixture/loadable/loadable.py", line 315, in wrap_in_transaction
    self.commit()
  File "/Users/jon/Env/lib/python2.6/site-packages/fixture-1.4-py2.6.egg/fixture/loadable/sqlalchemy_loadable.py", line 149, in commit
    self.session.flush()
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/orm/session.py", line 1359, in flush
    self._flush(objects)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/orm/session.py", line 1440, in _flush
    flush_context.execute()
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/orm/unitofwork.py", line 299, in execute
    rec.execute(self)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/orm/unitofwork.py", line 443, in execute
    uow
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/orm/mapper.py", line 1863, in _save_obj
    execute(statement, params)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/engine/base.py", line 1194, in execute
    params)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/engine/base.py", line 1274, in _execute_clauseelement
    return self.__execute_context(context)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/engine/base.py", line 1305, in __execute_context
    context.parameters[0], context=context)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/engine/base.py", line 1404, in _cursor_execute
    context)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/engine/base.py", line 1397, in _cursor_execute
    context)
  File "/Users/jon/Env/lib/python2.6/site-packages/SQLAlchemy-0.6.4-py2.6.egg/sqlalchemy/engine/default.py", line 299, in do_execute
    cursor.execute(statement, parameters)
IntegrityError: (IntegrityError) duplicate key value violates unique constraint "mappings_name_key"
DETAIL:  Key (name)=(ss_accession_number) already exists.
 'INSERT INTO mappings (name) VALUES (%(name)s) RETURNING mappings.id' {'name': u'ss_accession_number'}