[Python] Python SQLite: database is locked

I'm trying this code:

import sqlite

connection = sqlite.connect('cache.db')
cur = connection.cursor()
cur.execute('''create table item
(id integer primary key, itemno text unique,
scancode text, descr text, price real)''')

connection.commit()
cur.close()


I'm catching this exception:

Traceback (most recent call last):
File "cache_storage.py", line 7, in <module>
scancode text, descr text, price real)''')
File "/usr/lib/python2.6/dist-packages/sqlite/main.py", line 237, in execute
self.con._begin()
File "/usr/lib/python2.6/dist-packages/sqlite/main.py", line 503, in _begin
self.db.execute("BEGIN")
_sqlite.OperationalError: database is locked


Permissions for cache.db are ok. Any ideas?

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