Hi Daniel

> This is why it's a bad idea to do from x import *. You should always
> import the things you need explicitly, then you can tell what's going
> wrong. Try doing
> from schoolutil.lesson.models import Lesson
> and see if it still goes wrong - or if you get a more informative
> error message.

Thanks for your tip. I've done this, now I'm getting the following
error when I try to start the built-in development server:

[EMAIL PROTECTED]:~/work/schoolutil$ python manage.py runserver
Validating models...
could not import in lesson.models
Unhandled exception in thread started by <function inner_run at
0x856c064>
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/django/core/management/
commands/runserver.py", line 48, in inner_run
    self.validate(display_num_errors=True)
  File "/usr/lib/python2.5/site-packages/django/core/management/
base.py", line 122, in validate
    num_errors = get_validation_errors(s, app)
  File "/usr/lib/python2.5/site-packages/django/core/management/
validation.py", line 28, in get_validation_errors
    for (app_name, error) in get_app_errors().items():
  File "/usr/lib/python2.5/site-packages/django/db/models/loading.py",
line 128, in get_app_errors
    self._populate()
  File "/usr/lib/python2.5/site-packages/django/db/models/loading.py",
line 57, in _populate
    self.load_app(app_name, True)
  File "/usr/lib/python2.5/site-packages/django/db/models/loading.py",
line 72, in load_app
    mod = __import__(app_name, {}, {}, ['models'])
  File "/home/daniel/work/schoolutils/../schoolutils/student/
models.py", line 3, in <module>
    from schoolutils.lesson.models import Lesson
  File "/home/daniel/work/schoolutils/lesson/models.py", line 7, in
<module>
    class Lesson(models.Model):
  File "/home/daniel/work/schoolutils/lesson/models.py", line 8, in
Lesson
    student = models.ForeignKey(Student)
NameError: name 'Student' is not defined
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