Traceback (most recent call last):

 "C:\Users\Andy\AppData\Local\Programs\Spyder\pkgs\spyder\plugins\editor\widgets\editor.py", line 2093, in _save_file
self.modification_changed(index=index)

 "C:\Users\Andy\AppData\Local\Programs\Spyder\pkgs\spyder\plugins\editor\widgets\editor.py", line 2550, in modification_changed
finfo = self.data[index]IndexError: list index out of range
Traceback (most recent call last):


 "./src/manage.py", line 22, in <module>

execute_from_command_line(sys.argv)


 "/Users/dan/.virtualenvs/cloud-hcs-xx7P09kR/lib/python3.7/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line

utility.execute()


 "/Users/dan/.virtualenvs/cloud-hcs-xx7P09kR/lib/python3.7/site-packages/django/core/management/__init__.py", line 375, in execute

self.fetch_command(subcommand).run_from_argv(self.argv)


 "/Users/dan/.virtualenvs/cloud-hcs-xx7P09kR/lib/python3.7/site-packages/django/core/management/base.py", line 323, in run_from_argv

self.execute(*args, **cmd_options)


 "/Users/dan/.virtualenvs/cloud-hcs-xx7P09kR/lib/python3.7/site-packages/django/core/management/base.py", line 364, in execute

output = self.handle(*args, **options)


 "/Users/dan/.virtualenvs/cloud-hcs-xx7P09kR/lib/python3.7/site-packages/django/core/management/commands/shell.py", line 86, in handle

exec(options['command'])


 "<string>", line 1, in <module>


 "/Users/dan/.virtualenvs/cloud-hcs-xx7P09kR/lib/python3.7/site-packages/rest_framework/schemas/openapi.py", line 64, in get_schema

paths = self.get_paths(None if public else request)


 "/Users/dan/.virtualenvs/cloud-hcs-xx7P09kR/lib/python3.7/site-packages/rest_framework/schemas/openapi.py", line 47, in get_paths

operation = view.schema.get_operation(path, method)
AttributeError: 'AutoSchema' object has no attribute 'get_operation'
