django.core.exceptions.SynchronousOnlyOperation

Upgraded python from 3.6 to 3.8.
Getting this error when I tried to connect to Django Admin.
Is this because of version change?
django.core.exceptions.SynchronousOnlyOperation: You cannot call this from an async context – use a thread or sync_to_async.

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "/usr/local/lib/python3.8/site-packages/django/core/handlers/base.py", line 179, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/views/decorators/cache.py", line 44, in _wrapped_view_func
    response = view_func(request, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/contrib/admin/sites.py", line 410, in login
    return LoginView.as_view(**defaults)(request)
  File "/usr/local/lib/python3.8/site-packages/django/views/generic/base.py", line 70, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/utils/decorators.py", line 43, in _wrapper
    return bound_method(*args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/views/decorators/debug.py", line 89, in sensitive_post_parameters_wrapper
    return view(request, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/utils/decorators.py", line 43, in _wrapper
    return bound_method(*args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/utils/decorators.py", line 130, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/utils/decorators.py", line 43, in _wrapper
    return bound_method(*args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/views/decorators/cache.py", line 44, in _wrapped_view_func
    response = view_func(request, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/contrib/auth/views.py", line 63, in dispatch
    return super().dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/views/generic/base.py", line 98, in dispatch
    return handler(request, *args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/views/generic/edit.py", line 141, in post
    if form.is_valid():
  File "/usr/local/lib/python3.8/site-packages/django/forms/forms.py", line 177, in is_valid
    return self.is_bound and not self.errors
  File "/usr/local/lib/python3.8/site-packages/django/forms/forms.py", line 172, in errors
    self.full_clean()
  File "/usr/local/lib/python3.8/site-packages/django/forms/forms.py", line 375, in full_clean
    self._clean_form()
  File "/usr/local/lib/python3.8/site-packages/django/forms/forms.py", line 402, in _clean_form
    cleaned_data = self.clean()
  File "/usr/local/lib/python3.8/site-packages/django/contrib/auth/forms.py", line 215, in clean
    self.user_cache = authenticate(self.request, username=username, password=password)
  File "/usr/local/lib/python3.8/site-packages/django/contrib/auth/__init__.py", line 73, in authenticate
    user = backend.authenticate(request, **credentials)
  File "/usr/local/lib/python3.8/site-packages/django/contrib/auth/backends.py", line 42, in authenticate
    user = UserModel._default_manager.get_by_natural_key(username)
  File "/usr/local/lib/python3.8/site-packages/django/contrib/auth/base_user.py", line 45, in get_by_natural_key
    return self.get(**{self.model.USERNAME_FIELD: username})
  File "/usr/local/lib/python3.8/site-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/django/db/models/query.py", line 425, in get
    num = len(clone)
  File "/usr/local/lib/python3.8/site-packages/django/db/models/query.py", line 269, in __len__
    self._fetch_all()
  File "/usr/local/lib/python3.8/site-packages/django/db/models/query.py", line 1308, in _fetch_all
    self._result_cache = list(self._iterable_class(self))
  File "/usr/local/lib/python3.8/site-packages/django/db/models/query.py", line 53, in __iter__
    results = compiler.execute_sql(chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size)
  File "/usr/local/lib/python3.8/site-packages/django/db/models/sql/compiler.py", line 1154, in execute_sql
    cursor = self.connection.cursor()
  File "/usr/local/lib/python3.8/site-packages/django/utils/asyncio.py", line 24, in inner
    raise SynchronousOnlyOperation(message)
**django.core.exceptions.SynchronousOnlyOperation: You cannot call this from an async context - use a thread or sync_to_async.**```