AttributeError: 'tuple' object has no attribute 'insert'

Help me!
1

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Feature(s) impacted

Please describe in this mandatory section the feature(s) that will be discussed in this topic.
Hi Everyone,

Trying to get django-forestadmin running I got into this error after executing the python manage.py runserver script.

Observed behavior

Please describe in this mandatory section the current behavior you observe.
Here is the output error:

File “/home/frendy13/desima/toladata/django_forest/utils/middlewares.py”, line 5, in set_middlewares
settings.MIDDLEWARE.insert(0, ‘django_forest.middleware.PermissionMiddleware’)
AttributeError: ‘tuple’ object has no attribute ‘insert’

Expected behavior

Please describe in this mandatory section the behavior you are expecting.
In fact I expect to see the URL by which I could reach my project admin site

Failure Logs

In this optional section, please:

  • include any relevant log snippets if necessary,
  • or remove this section if left empty.

Context

Please provide in this mandatory section, the relevant information about your configuration:

  • Project name: tolada
  • Team name: none
  • Environment name: development
  • Agent type & version: django-forestadmin latest version
  • Recent changes made on your end if any: I just install and try to run the project
2

Hi @Dener_Francois,

I’m working on this issue and I’m going to fix it soon.
If you don’t want to wait the new version, you just have to change your settings to have a list of middlewares instead of a tuple of middlewares.

Ex:

# Currently
MIDDLEWARE = (
    your_middleware,
    ...
)

# Replaced by
MIDDLEWARE = [
    your_middleware,
    ...
]
1 Like
3

Hi @Dener_Francois,

I released the version 1.1.2 of the django agent.
This new version fix your issue.

Thank’s.

1 Like
4

Thanks a lot for this prompt response and fix. I upgrade to the 1.1.2 release as follows:
pip3 install --upgrade django-forestadmin
is it correct? otherwise, please show me the true way of doing it.

But the issue remains the same. But when I adjusted the setting.py as you’ve suggested, it was gone. Nevertheless, I came into a new one:
"TypeError: Object of type Decimal is not JSON serializable"

So thanks for your assistance in resolving this issue. the screenshot is attached.

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5

@Dener_Francois

Can you run a pip freeze and give me the output please ?
Can you give me your settings with the MIDDLEWARE parts ?

I don’t reproduce your second issue.
Do you use some custom fields to store decimal in your models?

Thank’s

6

Thanks for asking. Here there are the files. But the .forestadmin-schema.json file is empty.

(Attachment pip-freeze-command-output-3-2-2022.txt is missing)

(Attachment middleware-settings-py.txt is missing)

7

Sorry but I don’t see your attachments.

8

Thanks for asking. Here there are the files. But the .forestadmin-schema.json file is empty.
Pip freeze output:

9

You’re right but I couldn’t send attachments anymore as your system didn’t accept a .txt file. So I integrated the content of the files in the body of the email message as follows:

Pip freeze output: