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您好，我是 django_dynamic_scraper 的新手。因为我已经安装了它和 djcelery，但是当我应用迁移时，它会显示此错误。我谷歌它但没有找到任何东西。请具体说明我会更好地理解

这是我的 settings.py

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.sites',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    #third party apps
    'registration',
    'crispy_forms',
    # 'schedule',
    # 'south',
    # 'kombu.transport.django',
    'djcelery',
    'dynamic_scraper',
    # my apps
    'article',
    'search_engine',
    'socialnetwork',
)

何时申请迁移

Operations to perform:
  Synchronize unmigrated apps: article, dynamic_scraper, socialnetwork, crispy_forms
  Apply all migrations: search_engine, sessions, admin, dynamic_scraper, djcelery, sites, auth, contenttypes, registration

这是回溯错误

Applying dynamic_scraper.0001_initial...Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/core/management/__init__.py", line 385, in execute_from_command_line
    utility.execute()
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/core/management/__init__.py", line 377, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/core/management/base.py", line 288, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/core/management/base.py", line 338, in execute
    output = self.handle(*args, **options)
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/core/management/commands/migrate.py", line 161, in handle
    executor.migrate(targets, plan, fake=options.get("fake", False))
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/db/migrations/executor.py", line 68, in migrate
    self.apply_migration(migration, fake=fake)
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/db/migrations/executor.py", line 96, in apply_migration
    if self.detect_soft_applied(migration):
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/db/migrations/executor.py", line 140, in detect_soft_applied
    apps = project_state.render()
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/db/migrations/state.py", line 57, in render
    self.apps = Apps([AppConfigStub(label) for label in sorted(self.real_apps + list(app_labels))])
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/apps/registry.py", line 56, in __init__
    self.populate(installed_apps)
  File "/home/suz/social-network-sujit/local/lib/python2.7/site-packages/Django-1.7.2-py2.7.egg/django/apps/registry.py", line 89, in populate
    "duplicates: %s" % app_config.label)
django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: dynamic_scraper
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