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from django.core.exceptions import ImproperlyConfigured
try:
from importlib import import_module
except ImportError:
from django.utils.importlib import import_module
from .conf import settings
def get_update_task(task_path=None):
import_path = task_path or settings.CELERY_HAYSTACK_DEFAULT_TASK
module, attr = import_path.rsplit('.', 1)
try:
mod = import_module(module)
except ImportError as e:
raise ImproperlyConfigured('Error importing module %s: "%s"' %
(module, e))
try:
task = getattr(mod, attr)
except AttributeError:
raise ImproperlyConfigured('Module "%s" does not define a "%s" '
'class.' % (module, attr))
return task
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