The `request` argument must be an instance of `django.http.HttpRequest`, not `rest_framework.request.Request`.

Traceback (most recent call last):
File "/home/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
response = get_response(request)
File "/home/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/home/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/lib/python3.6/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
return view_func(*args, **kwargs)
File "/home/lib/python3.6/site-packages/django/views/generic/base.py", line 71, in view
return self.dispatch(request, *args, **kwargs)
File "/home/lib/python3.6/site-packages/rest_framework/views.py", line 505, in dispatch
response = self.handle_exception(exc)
File "/home/lib/python3.6/site-packages/rest_framework/views.py", line 465, in handle_exception
self.raise_uncaught_exception(exc)
File "/home/lib/python3.6/site-packages/rest_framework/views.py", line 476, in raise_uncaught_exception
raise exc
File "/home/lib/python3.6/site-packages/rest_framework/views.py", line 502, in dispatch
response = handler(request, *args, **kwargs)
File "/home/lib/python3.6/site-packages/rest_framework/decorators.py", line 50, in handler
return func(*args, **kwargs)
File "/home/lib/python3.6/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
return view_func(*args, **kwargs)
File "/home/lib/python3.6/site-packages/django/views/generic/base.py", line 71, in view
return self.dispatch(request, *args, **kwargs)
File "/home/lib/python3.6/site-packages/rest_framework/views.py", line 488, in dispatch
request = self.initialize_request(request, *args, **kwargs)
File "/home/lib/python3.6/site-packages/rest_framework/views.py", line 392, in initialize_request
parser_context=parser_context
File "/home/lib/python3.6/site-packages/rest_framework/request.py", line 157, in init
.format(request.class.module, request.class.name)
AssertionError: The request argument must be an instance of django.http.HttpRequest, not rest_framework.request.Request.