No module named djangobower

[Anderson-312]

When I run commond manage.py bower install in cmd, it shows ImportError: No module named djangobower. But I have added 'djangobower', in INSTALLED_APPS in settings.py

The full error report is

Traceback (most recent call last):
File "manage.py", line 22, in
execute_from_command_line(sys.argv)
File "C:\Users\zwr\Desktop\venv_Django\lib\site-packages\django\core\management_init_.py", line 367, in execute_from_command_line
utility.execute()
File "C:\Users\zwr\Desktop\venv_Django\lib\site-packages\django\core\management_init_.py", line 341, in execute
django.setup()
File "C:\Users\zwr\Desktop\venv_Django\lib\site-packages\django_init_.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Users\zwr\Desktop\venv_Django\lib\site-packages\django\apps\registry.py", line 85, in populate
app_config = AppConfig.create(entry)
File "C:\Users\zwr\Desktop\venv_Django\lib\site-packages\django\apps\config.py", line 90, in create
module = import_module(entry)
File "D:\python27\lib\importlib_init_.py", line 37, in import_module
import(name)
ImportError: No module named djangobower