ImportError: No module named 'book.apps.BookConfigrest_framework'; 'book.apps' is not a package

ImportError: No module named 'book.apps.BookConfigrest_framework'; 'book.apps' is not a package

解决：setting.py

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'book.apps.BookConfig',
    'rest_framework',
]

问题原因，由于在上述文件中book.apps.BookConfig和rest_framework间少了一个逗号（rest_framework直接粘贴的）,此外，虚拟环境设置也会导致类似错误。