importing arista vendor failes

[zombiehoffa]

using -e "VENDORS=arista" with the suggested docker command I get :
netbox-device-type-library-import Package Installed https://github.com/netbox-community/devicetype-library.git Vendor Specified, Gathering All Matching Device-Types 1 Vendors Found 200 Device-Types Found Manufacturer Exists: Arista - 1 {"front_image":["The submitted data was not a file. Check the encoding type on the form."],"rear_image":["The submitted data was not a file. Check the encoding type on the form."]} Traceback (most recent call last): File "/app/nb-dt-import.py", line 853, in <module> main() File "/app/nb-dt-import.py", line 826, in main createDeviceTypes(deviceTypes, nb) File "/app/nb-dt-import.py", line 680, in createDeviceTypes dt.id, nb) UnboundLocalError: local variable 'dt' referenced before assignment

it works for mikrotik so I'm at ab it of a loss how to get it to work for Arista.