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Unable to delete a device with a circuit terminated to an interface #4901

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opened 2025-12-29 19:21:57 +01:00 by adam · 2 comments
adam commented 2025-12-29 19:21:57 +01:00
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Originally created by @abrahamvegh on GitHub (May 12, 2021).

Originally assigned to: @jeremystretch on GitHub.

NetBox version

2.11.3

Python version

3.7

Steps to Reproduce

  1. Create a site
  2. Create a circuit located at that site
  3. Terminate both ends of the circuit at that site
  4. Create a device with at least two interfaces
  5. Terminate both ends of the circuit into interfaces on that device
  6. Attempt to delete the device

Expected Behavior

The device is deleted.

Observed Behavior

The complete exception is provided below:

<class 'AttributeError'>

type object 'NoneType' has no attribute '_meta'
Originally created by @abrahamvegh on GitHub (May 12, 2021). Originally assigned to: @jeremystretch on GitHub. ### NetBox version 2.11.3 ### Python version 3.7 ### Steps to Reproduce 1. Create a site 1. Create a circuit located at that site 1. Terminate both ends of the circuit at that site 1. Create a device with at least two interfaces 1. Terminate both ends of the circuit into interfaces on that device 1. Attempt to delete the device ### Expected Behavior The device is deleted. ### Observed Behavior The complete exception is provided below: ``` <class 'AttributeError'> type object 'NoneType' has no attribute '_meta' ```
adam added the type: bugstatus: accepted labels 2025-12-29 19:21:57 +01:00
adam closed this issue 2025-12-29 19:21:57 +01:00
adam commented 2025-12-29 19:21:58 +01:00
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@jeremystretch commented on GitHub (May 12, 2021):

I'm not able to replicate this following the steps provided. Please enable debugging and post the complete stack trace for analysis.

@jeremystretch commented on GitHub (May 12, 2021): I'm not able to replicate this following the steps provided. Please enable debugging and post the complete stack trace for analysis.
adam commented 2025-12-29 19:21:58 +01:00
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@abrahamvegh commented on GitHub (May 14, 2021):

Updated reproduction steps, sorry about that, this was difficult for me to reproduce in the first place. I confirmed the steps provided do trigger the exception on the public demo instance as well as on my production instance.

@abrahamvegh commented on GitHub (May 14, 2021): Updated reproduction steps, sorry about that, this was difficult for me to reproduce in the first place. I confirmed the steps provided do trigger the exception on the public demo instance as well as on my production instance.
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Reference: starred/netbox#4901
Delete Branch "%!s()"

Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?