I found answer here
http://www.mail-archive.com/django-users@googlegroups.com/msg101199.html
This is due to having a virtualenv created in a previous version of
Ubuntu. Recreate the virtualenv under Lucid, and you should be fine.
On Dec 14, 9:41 am, NavaTux <navaneetha...@gmail.com> wrote:
> I am running my django blog application inside virtualenv;it got
> executed before sometimes;now it mess up
>
> it shows the error
>
> (blogg)hire...@hirelex-laptop:~/Desktop/blogg/blogsrc$ python
> manage.py runserver
> Traceback (most recent call last):
> File "manage.py", line 11, in <module>
> execute_manager(settings)
> File "/usr/local/lib/python2.6/dist-packages/django/core/management/
> __init__.py", line 438, in execute_manager
> utility.execute()
> File "/usr/local/lib/python2.6/dist-packages/django/core/management/
> __init__.py", line 379, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
> File "/usr/local/lib/python2.6/dist-packages/django/core/management/
> base.py", line 191, in run_from_argv
> self.execute(*args, **options.__dict__)
> File "/usr/local/lib/python2.6/dist-packages/django/core/management/
> base.py", line 209, in execute
> translation.activate('en-us')
> File "/usr/local/lib/python2.6/dist-packages/django/utils/
> translation/__init__.py", line 66, in activate
> return real_activate(language)
> File "/usr/local/lib/python2.6/dist-packages/django/utils/
> functional.py", line 55, in _curried
> return _curried_func(*(args+moreargs), **dict(kwargs,
> **morekwargs))
> File "/usr/local/lib/python2.6/dist-packages/django/utils/
> translation/__init__.py", line 36, in delayed_loader
> return getattr(trans, real_name)(*args, **kwargs)
> File "/usr/local/lib/python2.6/dist-packages/django/utils/
> translation/trans_real.py", line 193, in activate
> _active[currentThread()] = translation(language)
> File "/usr/local/lib/python2.6/dist-packages/django/utils/
> translation/trans_real.py", line 176, in translation
> default_translation = _fetch(settings.LANGUAGE_CODE)
> File "/usr/local/lib/python2.6/dist-packages/django/utils/
> translation/trans_real.py", line 159, in _fetch
> app = import_module(appname)
> File "/usr/local/lib/python2.6/dist-packages/django/utils/
> importlib.py", line 35, in import_module
> __import__(name)
> File "/usr/local/lib/python2.6/dist-packages/django/contrib/admin/
> __init__.py", line 1, in <module>
> from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
> File "/usr/local/lib/python2.6/dist-packages/django/contrib/admin/
> helpers.py", line 1, in <module>
> from django import forms
> File "/usr/local/lib/python2.6/dist-packages/django/forms/
> __init__.py", line 17, in <module>
> from models import *
> File "/usr/local/lib/python2.6/dist-packages/django/forms/
> models.py", line 6, in <module>
> from django.db import connections
> File "/usr/local/lib/python2.6/dist-packages/django/db/__init__.py",
> line 77, in <module>
> connection = connections[DEFAULT_DB_ALIAS]
> File "/usr/local/lib/python2.6/dist-packages/django/db/utils.py",
> line 91, in __getitem__
> backend = load_backend(db['ENGINE'])
> File "/usr/local/lib/python2.6/dist-packages/django/db/utils.py",
> line 49, in load_backend
> raise ImproperlyConfigured(error_msg)
> django.core.exceptions.ImproperlyConfigured:
> 'django.db.backends.postgresql_psycopg2' isn't an available database
> backend.
> Try using django.db.backends.XXX, where XXX is one of:
> 'dummy', 'mysql', 'oracle', 'postgresql', 'postgresql_psycopg2',
> 'sqlite3'
> Error was: No module named _md5
>
> may i know the problem over here?
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