I have following two problems:
1. I get error on Country when I run tryton_demo.py script. How do I
correct it?
2. I get warning signs Unable to load plugin 'chart'
warnings.warn("Unable to load plugin '%s'" % name) => Is that OK?
How to resolve it?
Error message below:
./tryton_demo.py sqlite:///demo
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/relatorio/templates/__init__.py:29:
UserWarning: Unable to load plugin 'chart'
warnings.warn("Unable to load plugin '%s'" % name)
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:244:
UserWarning: Unable to drop foreign key with SQLite backend
warnings.warn('Unable to drop foreign key with SQLite backend')
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:279:
UserWarning: Unable to remove not null with SQLite backend
warnings.warn('Unable to remove not null with SQLite backend')
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:277:
UserWarning: Unable to set not null with SQLite backend
warnings.warn('Unable to set not null with SQLite backend')
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:241:
UserWarning: Unable to add foreign key with SQLite backend
warnings.warn('Unable to add foreign key with SQLite backend')
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:177:
UserWarning: Unable to set default on column with SQLite backend
warnings.warn('Unable to set default on column with SQLite backend')
No handlers could be found for logger "trytond.backend.sqlite.table"
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:284:
UserWarning: Unable to add constraint with SQLite backend
warnings.warn('Unable to add constraint with SQLite backend')
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:290:
UserWarning: Unable to drop column with SQLite backend
warnings.warn('Unable to drop column with SQLite backend')
/home/ubuntu/Envs/tryton/local/lib/python2.7/site-packages/trytond/backend/sqlite/table.py:287:
UserWarning: Unable to drop constraint with SQLite backend
warnings.warn('Unable to drop constraint with SQLite backend')
Traceback (most recent call last):
File "./tryton_demo.py", line 733, in <module>
main(database, options.modules, options.demo_password)
File "./tryton_demo.py", line 657, in main
customers, suppliers = setup_party(config, modules)
File "./tryton_demo.py", line 53, in setup_party
us, = Country.find([('code', '=', 'US')])
ValueError: need more than 0 values to unpack
(tryton) ubuntu@ip-172-30-0-170:~/sumpurn/tryton$
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