我正在尝试在PyCharm中运行一个简单的Django测试，但由于以下堆栈跟踪而失败-/home/ramashishb/local/pyenv/testenv/bin/python/opt/pycharm-3.0.2/helpers/pycharm/django_test_manage.pytestsnippets.SimpleTest.test_simple/home/ramashishb/mine/learn/django-rest/django-rest-tutorialTestingstartedat4:37PM...Traceback(mostrecentcalllast):
