django - ImportError: No module named corsheaders - 


installed_apps = [     'login.apps.loginconfig',     'mainsaaas.apps.mainsaaasconfig',     'django.contrib.admin',     'django.contrib.auth',     'django.contrib.contenttypes',     'django.contrib.sessions',     'django.contrib.messages',     'django.contrib.staticfiles',     'corsheaders', ]  middleware = [     'django.middleware.security.securitymiddleware',     'django.contrib.sessions.middleware.sessionmiddleware',     'corsheaders.middleware.corsmiddleware',     'django.middleware.common.commonmiddleware',     'django.middleware.csrf.csrfviewmiddleware',     'django.contrib.auth.middleware.authenticationmiddleware',     'django.contrib.messages.middleware.messagemiddleware',     'django.middleware.clickjacking.xframeoptionsmiddleware', ] cors_origin_allow_all = true

even installed

pip install django-cors-headers. shows import error corsheaders , traceback have checked virtual environment , corsheaders package there

> trace back: >      >      >     unhandled exception in thread started <function wrapper @ 0x7f5a7d5a1aa0> traceback (most recent call last):   file > "/home/next/virtual_env/venv/local/lib/python2.7/site-packages/django/utils/autoreload.py", > line 226, in wrapper >         fn(*args, **kwargs)   file "/home/next/virtual_env/venv/local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", > line 113, in inner_run >         autoreload.raise_last_exception()   file "/home/next/virtual_env/venv/local/lib/python2.7/site-packages/django/utils/autoreload.py", > line 249, in raise_last_exception >         six.reraise(*_exception)   file "/home/next/virtual_env/venv/local/lib/python2.7/site-packages/django/utils/autoreload.py", > line 226, in wrapper >         fn(*args, **kwargs)   file "/home/next/virtual_env/venv/local/lib/python2.7/site-packages/django/__init__.py", > line 27, in setup >         apps.populate(settings.installed_apps)   file "/home/next/virtual_env/venv/local/lib/python2.7/site-packages/django/apps/registry.py", > line 85, in populate >         app_config = appconfig.create(entry)   file "/home/next/virtual_env/venv/local/lib/python2.7/site-packages/django/apps/config.py", > line 90, in create >         module = import_module(entry)   file "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module >         __import__(name) importerror: no module named corsheaders

am using virtual environment , django version is: django==1.10.5


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