I am new to Django.

I am developing one django application which needs following packages to 
handle asynchronous tasks in the back ground.

1.djangocelery
2.djangocelery email.

App definitions in My settings.py file:

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'crispy_forms',
    'djcelery',
    'gspapp',
    'djcelery_email',
    #'django_celery_results',
]


But when i install these packages in my virtual environment, I encountered with 
the below errors:


1.I have django-celery - 3.3.1 and celery 4.3.0 initially.

2.when i execute the celery worker command :celery -A gspaat worker 
--loglevel=info

i got the below error:

==========================================================

ModuleNotFoundError: No module named 'kombu.asynchronous'

==========================================================

As per the message posted in below link,i uninstalled celery version and 
installed latest celery version 4.3.0 . 

https://stackoverflow.com/questions/50511905/cannot-start-celery-worker-kombu-asynchronous-timer


But unfortunately i am facing with below error.

=====================================================================================================================

ERROR: django-celery 3.3.1 has requirement celery<4.0,>=3.1.15, but you'll have 
celery 4.3.0 which is incompatible.

Due to above error, i installed celery version :3.1.25 using pip install 
celery==3.1.25 but i got the below error 


ERROR: django-celery-email 2.0.2 has requirement celery>=4.0, but you'll have 
celery 3.1.25 which is incompatible.

=====================================================================================================================



So, please share the compatible version of djcelery , celery and djcelery_email.


Regards,

N.Dilip Kumar.

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