AttributeError: 'QuerySet' object has no attribute 'mime_type'

[Monisha Sivanathan]

@staticmethod
def post(request, *args, **kwargs):
constant = utils.send_grid_key
sg = SendGridAPIClient(constant)
subject = get_subject()
content = get_content()
message = Mail(
from_email=From((utils.sender_mail, 'Hello')),
to_emails=To('man...@gmail.com'),
# to_emails=To(get_email()),
subject=subject,
html_content=content)
response = sg.send(message)
print(response.status_code)
print(response.body)
print(response.headers)
return Response(response)

Traceback (most recent call last):
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\core\handlers\exception.py", line 55, in inner
    response = get_response(request)
               ^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\core\handlers\base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\views\decorators\csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\views\generic\base.py", line 103, in view
    return self.dispatch(request, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 509, in dispatch
    response = self.handle_exception(exc)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 469, in handle_exception
    self.raise_uncaught_exception(exc)
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 480, in raise_uncaught_exception
    raise exc
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\automation\user\views.py", line 140, in post
    message = Mail(
              ^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\sendgrid\helpers\mail\mail.py", line 80, in __init__
    self.add_content(html_content, MimeType.html)
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\sendgrid\helpers\mail\mail.py", line 734, in add_content
    if content.mime_type == MimeType.text:
       ^^^^^^^^^^^^^^^^^
AttributeError: 'QuerySet' object has no attribute 'mime_type'
[19/Jan/2023 17:54:52] ERROR - Internal Server Error: /automation/user/mail
Traceback (most recent call last):
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\core\handlers\exception.py", line 55, in inner
    response = get_response(request)
               ^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\core\handlers\base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\views\decorators\csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\django\views\generic\base.py", line 103, in view
    return self.dispatch(request, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 509, in dispatch
    response = self.handle_exception(exc)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 469, in handle_exception
    self.raise_uncaught_exception(exc)
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 480, in raise_uncaught_exception
    raise exc
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\rest_framework\views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Lenovo\marketautomation\automation\user\views.py", line 140, in post
    message = Mail(
              ^^^^^
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\sendgrid\helpers\mail\mail.py", line 80, in __init__
    self.add_content(html_content, MimeType.html)
  File "C:\Users\Lenovo\marketautomation\venv\Lib\site-packages\sendgrid\helpers\mail\mail.py", line 734, in add_content
    if content.mime_type == MimeType.text:

i dont know how to fix the error, just help me to fix this

[Jason]

is `content` a queryset?