Problema con Django-1.3 beta

Question

Ragazzi !! Sono davvero entusiasta nell'apprendimento del Django e ho imparato un po 'su Django-1.2, ma poi ho installato la versione 1.3 che è ok finché non eseguo il server usando il comando "python manage.py runserver". Sta dando un enorme errore. Non riesco a capire un modo per risolvere questo. E l'errore è dato come:

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/python 2.6/dist-packages/django/core/management/__init__.py", line 261, in fetch_command 
    klass = load_command_class(app_name, subcommand)  
    File "/usr/local/lib/python2.6/dist-packages/django/core/management/__init__.py", line 67, in load_command_class  
    module = import_module('%s.management.commands.%s' % (app_name, name))  
    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/core/management/commands /runserver.py", line 8, in <module>  
    from django.core.handlers.wsgi import WSGIHandler 
    File "/usr/local/lib/python2.6/dist-packages/django/core/handlers/wsgi.py", line 11, in <module>  
    from django.core import signals 
    File "/usr/local/lib/python2.6/dist-packages/django/core/signals.py", line 1, in <module> 
    from django.dispatch import Signal 
    File "/usr/local/lib/python2.6/dist-packages/django/dispatch/__init__.py", line 9, in <module>  
    from django.dispatch.dispatcher import Signal, receiver  
ImportError: cannot import name receiver  

Answer 1

per evitare problemi del genere in futuro, utilizzare virtualenv

Answer 2

Ciò può accadere se sono installate due versioni. Elimina django (/usr/local/lib/python2.6/dist-packages/django) Elimina l'intera cartella. Ora reinstallare Django 1.3 e dovrebbe funzionare.