Education is very important in our life. It helps us to succeed in our life. Studying at college or university is very important. Though, sometimes, students cannot cope with all assignments. Especially it concerns writing academic papers. use this ​resource example

Attempt to delete a non-existent user using bin/gmg deleteuser and you'll get a Traceback similar to below.

$ bin/gmg deleteuser idontexist
Traceback (most recent call last):
  File "bin/gmg", line 9, in <module>
    load_entry_point('mediagoblin==0.7.1.dev', 'console_scripts', 'gmg')()
  File "/path/to/mediagoblin/mediagoblin/gmg_commands/__init__.py", line 124, in main_cli
    args.func(args)
  File "/path/to/mediagoblin/mediagoblin/gmg_commands/users.py", line 132, in deleteuser
    username=unicode(args.username.lower())).one()
  File "build/bdist.linux-x86_64/egg/sqlalchemy/orm/query.py", line 2329, in one
sqlalchemy.orm.exc.NoResultFound: No row was found for one()

Same problem exists for other commands in users.py.

The garbage collection task has not been specified correctly.

In mediagoblin/init/celery/init.py, mediagoblin.submit.task.garbage_collection is specified.

The task in mediagoblin/submit/task.py is called collect_garbage

Run celery with -l info to see the error produced.