Thursday, June 23, 2016

python manage.py runserver error

Guys - I am new to django , while running through tutorial . I found issue when first start running 'python manage.py runserver' . 


After I installed 'django' and create my first project using command 'django-admin startproject mysite' , then follow with 'python manage.py runserver' . 
I encounter error below . 
Can anyone please advise about this ? 

[root@jpetetis mysite]# python manage.py runserver
Performing system checks...

System check identified no issues (0 silenced).
Unhandled exception in thread started by <function wrapper at 0x2b50668be500>
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/utils/autoreload.py", line 226, in wrapper
    fn(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/core/management/commands/runserver.py", line 117, in inner_run
    self.check_migrations()
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/core/management/commands/runserver.py", line 163, in check_migrations
    executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/db/migrations/executor.py", line 20, in __init__
    self.loader = MigrationLoader(self.connection)
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/db/migrations/loader.py", line 49, in __init__
    self.build_graph()
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/db/migrations/loader.py", line 176, in build_graph
    self.applied_migrations = recorder.applied_migrations()
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/db/migrations/recorder.py", line 65, in applied_migrations
    self.ensure_schema()
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/db/migrations/recorder.py", line 56, in ensure_schema
    with self.connection.schema_editor() as editor:
  File "/usr/lib/python2.7/site-packages/Django-1.9.7-py2.7.egg/django/db/backends/sqlite3/schema.py", line 25, in __enter__
    self._initial_pragma_fk = c.fetchone()[0]
TypeError: 'NoneType' object has no attribute '__getitem__'
[root@jpetetis mysite]#
[root@jpetetis mysite]# cd

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