We just tripped across something similar here as well. The person doing the 
tutorial had flipped the 'startup' and 'put "blog" in the INSTALLED_APPS' 
steps of the tutorial. She commented out 'blog' from INSTALLED_APPS and 
startapp worked as intended.

-scott

On Sunday, August 11, 2013 at 8:11:11 PM UTC-4, Pranay Shah wrote:
>
> I just want to thank everyone. I had an error "no module name image" since 
> yesterday nite. I googled and found out that I need to install python image 
> library. I did that. I still continued getting error. Just then I came 
> across this post where someone was getting "no module... blog". I read it 
> and found out the prob. Initially I had an "image" view which I deleted 
> last nite as I was no longer gonna use it. But I didnt remove its mapping 
> form the urls.py. I commented the lines for image - views and it worked.
>
> Thank you all. Now I shall start working on the actual stuff which I was 
> supposed to work from last nite. Its actually my internship homework.
>
> Thank you once again. 
>
> On Thursday, 20 December 2012 05:27:42 UTC-8, djangobie wrote:
>>
>> Hi, I have just started practicing a tutorial for buidling a  basic blog 
>> ( 
>> http://www.djangorocks.com/tutorials/how-to-create-a-basic-blog-in-django/starting-your-application.html
>>  )
>>
>> Did exactly the same (except, using 'djangopractice' as project name 
>> instead of 'djangorocks')
>> Actually It also did run twice, but than started showing ImportError.
>>
>> My files:
>> --------------------
>> ***settings.py***
>> --------------------
>> # Django settings for djangopractice project.
>> #import os, django
>> #DJANGO_ROOT = os.path.dirname(os.path.realpath(django.__file__))
>> #SITE_ROOT = os.path.dirname(os.path.realpath('__file__'))
>>
>> DEBUG = True
>> TEMPLATE_DEBUG = DEBUG
>>
>> ADMINS = (
>>     # ('Your Name', '[email protected]'),
>> )
>>
>> MANAGERS = ADMINS
>>
>> DATABASES = {
>>     'default': {
>>         'ENGINE': 'django.db.backends.mysql', # Add 
>> 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
>>         'NAME': 'djangopractice',                      # Or path to 
>> database file if using sqlite3.
>>         'USER': 'root',                      # Not used with sqlite3.
>>         'PASSWORD': '1290',                  # Not used with sqlite3.
>>         'HOST': '',                      # Set to empty string for 
>> localhost. Not used with sqlite3.
>>         'PORT': '',                      # Set to empty string for 
>> default. Not used with sqlite3.
>>     }
>> }
>>
>> # Local time zone for this installation. Choices can be found here:
>> # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
>> # although not all choices may be available on all operating systems.
>> # In a Windows environment this must be set to your system time zone.
>> TIME_ZONE = 'Asia/Karachi'
>>
>> # Language code for this installation. All choices can be found here:
>> # http://www.i18nguy.com/unicode/language-identifiers.html
>> LANGUAGE_CODE = 'en-us'
>>
>> SITE_ID = 1
>>
>> # If you set this to False, Django will make some optimizations so as not
>> # to load the internationalization machinery.
>> USE_I18N = True
>>
>> # If you set this to False, Django will not format dates, numbers and
>> # calendars according to the current locale.
>> USE_L10N = True
>>
>> # If you set this to False, Django will not use timezone-aware datetimes.
>> USE_TZ = True
>>
>> # Absolute filesystem path to the directory that will hold user-uploaded 
>> files.
>> # Example: "/home/media/media.lawrence.com/media/"
>> MEDIA_ROOT = ''
>>
>> # URL that handles the media served from MEDIA_ROOT. Make sure to use a
>> # trailing slash.
>> # Examples: "http://media.lawrence.com/media/";, "
>> http://example.com/media/";
>> MEDIA_URL = ''
>>
>> # Absolute path to the directory static files should be collected to.
>> # Don't put anything in this directory yourself; store your static files
>> # in apps' "static/" subdirectories and in STATICFILES_DIRS.
>> # Example: "/home/media/media.lawrence.com/static/"
>> STATIC_ROOT = ''
>>
>> # URL prefix for static files.
>> # Example: "http://media.lawrence.com/static/";
>> STATIC_URL = '/static/'
>>
>> # Additional locations of static files
>> STATICFILES_DIRS = (
>>     # Put strings here, like "/home/html/static" or 
>> "C:/www/django/static".
>>     # Always use forward slashes, even on Windows.
>>     # Don't forget to use absolute paths, not relative paths.
>> )
>>
>> # List of finder classes that know how to find static files in
>> # various locations.
>> STATICFILES_FINDERS = (
>>     'django.contrib.staticfiles.finders.FileSystemFinder',
>>     'django.contrib.staticfiles.finders.AppDirectoriesFinder',
>> #    'django.contrib.staticfiles.finders.DefaultStorageFinder',
>> )
>>
>> # Make this unique, and don't share it with anybody.
>> SECRET_KEY = '@io!2+0*rw1o0tjq%t5zb8e$v(wf3p#yk_8#lb^%hrerzijwt1'
>>
>> # List of callables that know how to import templates from various 
>> sources.
>> TEMPLATE_LOADERS = (
>>     'django.template.loaders.filesystem.Loader',
>>     'django.template.loaders.app_directories.Loader',
>> #     'django.template.loaders.eggs.Loader',
>> )
>>
>> MIDDLEWARE_CLASSES = (
>>     'django.middleware.common.CommonMiddleware',
>>     'django.contrib.sessions.middleware.SessionMiddleware',
>>     'django.middleware.csrf.CsrfViewMiddleware',
>>     'django.contrib.auth.middleware.AuthenticationMiddleware',
>>     'django.contrib.messages.middleware.MessageMiddleware',
>>     # Uncomment the next line for simple clickjacking protection:
>>     # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
>> )
>>
>> ROOT_URLCONF = 'djangopractice.urls'
>>
>> # Python dotted path to the WSGI application used by Django's runserver.
>> WSGI_APPLICATION = 'djangopractice.wsgi.application'
>>
>> TEMPLATE_DIRS = (
>>     "/home/username/djangosites/djangopractice/Templates"
>>     # Put strings here, like "/home/html/django_templates" or 
>> "C:/www/django/templates".
>>     # Always use forward slashes, even on Windows.
>>     # Don't forget to use absolute paths, not relative paths.
>> )
>>
>> INSTALLED_APPS = (
>>     'django.contrib.auth',
>>     'django.contrib.contenttypes',
>>     'django.contrib.sessions',
>>     'django.contrib.sites',
>>     'django.contrib.messages',
>>     'django.contrib.staticfiles',    
>>     'django.contrib.admin',
>>     'django.contrib.admindocs',
>>     'blog',
>> )
>>
>> # A sample logging configuration. The only tangible logging
>> # performed by this configuration is to send an email to
>> # the site admins on every HTTP 500 error when DEBUG=False.
>> # See http://docs.djangoproject.com/en/dev/topics/logging for
>> # more details on how to customize your logging configuration.
>> LOGGING = {
>>     'version': 1,
>>     'disable_existing_loggers': False,
>>     'filters': {
>>         'require_debug_false': {
>>             '()': 'django.utils.log.RequireDebugFalse'
>>         }
>>     },
>>     'handlers': {
>>         'mail_admins': {
>>             'level': 'ERROR',
>>             'filters': ['require_debug_false'],
>>             'class': 'django.utils.log.AdminEmailHandler'
>>         }
>>     },
>>     'loggers': {
>>         'django.request': {
>>             'handlers': ['mail_admins'],
>>             'level': 'ERROR',
>>             'propagate': True,
>>         },
>>     }
>> }
>>
>> --------------
>> ***urls.py***
>> --------------
>> from django.conf.urls import patterns, include, url
>> # Uncomment the next two lines to enable the admin:
>> from django.contrib import admin
>> admin.autodiscover()
>>
>> urlpatterns = patterns('',
>>     (r'^$', 'djangopractice.blog.views.index'),
>>     url(
>> r'^blog/view/(?P<slug>[^\.]+).html',
>> 'djangopractice.blog.views.view_post', name='view_blog_post'),
>>     url(
>> r'^blog/category/(?P<slug>[^\.]+).html',
>> 'djangopractice.blog.views.view_category',
>> name='view_blog_category'),
>>     
>>     # Examples:
>>     # url(r'^$', 'djangopractice.views.home', name='home'),
>>     # url(r'^djangopractice/', include('djangopractice.foo.urls')),
>>
>>     # Uncomment the admin/doc line below to enable admin documentation:
>>     # url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
>>
>>     # Uncomment the next line to enable the admin:
>>     # url(r'^admin/', include(admin.site.urls)),
>> )
>>
>> ----------------
>> ***views.py***
>> ----------------
>> from blog.models import Blog, Category
>> from django.shortcuts import render_to_response, get_object_or_404
>>
>> def index(request):
>>     return render_to_response('index.html', {
>> 'category': Category.objects.all(),
>> 'posts': Blog.objects.all()[:5]
>>     })
>>
>> def view_post(request, slug): #slug is mapped to, from the urls.py
>>     return render_to_respomse('view_post.html', {
>> 'post': get_object_or_404(Blog, slug=slug)
>>     })
>>
>> def view_category(request, slug):
>>     category = get_object_or_404(Category, slug=slug)
>>     return render_to_response('view_category.html' {
>> 'category':category, 
>> 'posts': Blog.objects.filter(category=category)[:5]
>> })
>>
>> --------------------
>> ***models.py***
>> -------------------
>> from django.db import models
>> from django.db.models import permalink
>>
>> class Blog(models.Model):
>>     title = models.CharField(max_length=100, unique=True)
>>     slug = models.SlugField(max_length=100, unique=True)
>>     body = models.TextField()
>>     posted = models.DateField(db_index=True, auto_now_add=True)
>>     category = models.ForeignKey('blog.Category')
>>
>>     def __unicode__(self):
>>         return '%s' % self.title
>>
>>     @permalink
>>     def get_absolute_url(self): #returns a url automatically calculating, 
>> based on urls.py param
>> return ('view_blog_post', None, { 'slug': self.slug})
>>
>> class Category(models.Model):
>>     title = models.CharField(max_length=100, db_index=True)
>>     slug = models.SlugField(max_length=100, db_index=True)
>>
>>     def __unicode__(self):
>>         return '%s' % self.title
>>
>>     @permalink
>>     def get_absolute_url(self):
>>         return ('view_blog_category', None, { 'slug': self.slug})
>>
>> ------------------
>> ***admin.py***
>> ------------------
>> from django.contrib import admin
>> from blog.models import Blog, Category
>>
>> #class BlogAdmin(admin.ModelAdmin):
>> #    exclude = ['posted']
>> #    prepopulated_fields = {'slug': ('title',)}
>>
>> #class CategoryAdmin(admin.ModelAdmin):
>> #    prepopulated_fields = {'slug': ('title',)}
>>
>> #admin.site.register(Blog, BlogAdmin)
>> #admin.site.register(Category, CategoryAdmin)
>>
>>
>> admin.site.register(Blog)
>> admin.site.register(Category)
>>
>> ----------------------
>> python manage.py validate
>> 0 errors 
>> also syncbd properly... but don't why not considering my app a modeule.
>>
>> *my dir structure is:*
>> ----------------------------------------------------------------------
>> djangopractice-
>>                      --djangopractice-
>>                                            - __init__.py
>>                                            - settings.py
>>                                            - urls.py
>>                                            - wsgi.py
>>                     
>>                      --blog-
>>                                            - models.py
>>                                            - views.py
>>                                            - admin.py
>>                                            - __init__.py
>>                                            - test.py
>>
>>                      --Templates-
>>                                           - base.html
>>                                           - index.html
>>                                           - view_category.html
>>                                           - view_posts.html
>> -------------------------------------------------------------------------
>>
>> Exact error I am getting in the browser is: 
>> ------------------------------------------------------
>> *ImportError at /*
>>
>> *No module named blog*
>>
>> Request Method:GETRequest URL:http://localhost:8000/Django 
>> Version:1.4.3Exception 
>> Type:ImportErrorException Value:
>>
>> No module named blog
>>
>> *Exception 
>> Location:**/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py 
>> in import_module, line 35*Python Executable:/usr/bin/pythonPython 
>> Version:2.7.3Python Path:
>>
>> ['/home/username/djangosites/djangopractice',
>>  '/usr/lib/python2.7',
>>  '/usr/lib/python2.7/plat-linux2',
>>  '/usr/lib/python2.7/lib-tk',
>>  '/usr/lib/python2.7/lib-old',
>>  '/usr/lib/python2.7/lib-dynload',
>>  '/usr/local/lib/python2.7/dist-packages',
>>  '/usr/lib/python2.7/dist-packages',
>>  '/usr/lib/python2.7/dist-packages/PIL',
>>  '/usr/lib/python2.7/dist-packages/gst-0.10',
>>  '/usr/lib/python2.7/dist-packages/gtk-2.0',
>>  '/usr/lib/python2.7/dist-packages/ubuntu-sso-client',
>>  '/usr/lib/python2.7/dist-packages/ubuntuone-client',
>>  '/usr/lib/python2.7/dist-packages/ubuntuone-control-panel',
>>  '/usr/lib/python2.7/dist-packages/ubuntuone-couch',
>>  '/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol']
>>
>>
>> -----------------------------
>>
>>
>> Thanks
>>
>>

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