'str' object has no attribute 'delete' Uploading Front or rear picture in device types

[mikehak74]

NetBox version

v3.6.2

Python version

3.10

Steps to Reproduce

Just add a picture in front or rear in the device types and after you click on save you got the following error.

Expected Behavior

Normal upload of picture.

Observed Behavior

<class 'AttributeError'>

'str' object has no attribute 'delete'

Python version: 3.10.12
NetBox version: 3.6.2
Plugins:
netbox_attachments: 3.0.1
netbox_data_flows: 0.7.4
netbox_topology_views: 3.7.0

[abhi1693]

Duplicate of #13845