关于django：AttributeError：即使安装了opencv-contrib-python，’module’对象也没有属性’face’

AttributeError: 'module' object has no attribute 'face' even after installed opencv-contrib-python

运行django服务器时出错。我通过pip安装了opencv-python和opencv-contrib-python。仍然得到同样的错误。有什么建议？

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Performing system checks...

Unhandled exception in thread started by
Traceback (most recent call last):
File"/home/auxouser/.local/lib/python2.7/site-packages/django/utils/autoreload.py", line 228, in wrapper fn(*args, **kwargs)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 124, in inner_run
self.check(display_num_errors=True)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/core/management/base.py", line 359, in check include_deployment_checks=include_deployment_checks,
File"/home/auxouser/.local/lib/python2.7/site-packages/django/core/management/base.py", line 346, in _run_checks return checks.run_checks(**kwargs)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/core/checks/registry.py", line 81, in run_checks new_errors = check(app_configs=app_configs)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/core/checks/urls.py", line 16, in check_url_config return check_resolver(resolver)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/core/checks/urls.py", line 26, in check_resolver return check_method()
File"/home/auxouser/.local/lib/python2.7/site-packages/django/urls/resolvers.py", line 254, in check for pattern in self.url_patterns:
File"/home/auxouser/.local/lib/python2.7/site-packages/django/utils/functional.py", line 35, in __get__res = instance.__dict__[self.name] = self.func(instance)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/urls/resolvers.py", line 405, in url_patterns patterns = getattr(self.urlconf_module,"urlpatterns", self.urlconf_module)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/utils/functional.py", line 35, in __get__ res = instance.__dict__[self.name] = self.func(instance)
File"/home/auxouser/.local/lib/python2.7/site-packages/django/urls/resolvers.py", line 398, in urlconf_module return import_module(self.urlconf_name)
File"/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File"/home/auxouser/Auxo/projects/training-ds/Day-9/Face_Recognition/Face_Recognition/urls.py", line 3, in
from MyAPP import views
File"/home/auxouser/Auxo/projects/training-ds/Day-9/Face_Recognition/MyAPP/views.py", line 12, in
recognizer = cv2.face.LBPHFaceRecognizer_create()
AttributeError: 'module' object has no attribute 'face'