记录python3.7版本中 Django+celery 启动报错

 

虚拟环境启动I报错

Traceback (most recent call last):
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/arbiter.py", line 589, in spawn_worker
    worker.init_process()
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/workers/ggevent.py", line 146, in init_process
    super().init_process()
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/workers/base.py", line 134, in init_process
    self.load_wsgi()
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/workers/base.py", line 146, in load_wsgi
    self.wsgi = self.app.wsgi()
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
    self.callable = self.load()
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 58, in load
    return self.load_wsgiapp()
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 48, in load_wsgiapp
    return util.import_app(self.app_uri)
  File "/data/.virtualenvs/cmdb/lib/python3.7/site-packages/gunicorn/util.py", line 359, in import_app
    mod = importlib.import_module(module)
  File "/usr/local/python3/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/mytestproject/mytestproject/__init__.py", line 2, in <module>
    from .celery import app as celery_app
  File "/home/mytestproject/mytestproject/celery.py", line 2, in <module>
    from celery import Celery
ImportError: cannot import name 'Celery' from 'celery' (/data/.virtualenvs/cmdb/lib/python3.7/site-packages/celery/__init__.py)

　　

处理办法:

pip install importlib-metadata==4.13.0