ID 365981 - Qt 5: AttributeError: 'LookFileMaterialComboBox' object has no attribute 'emit'

Problem summary:

Customers have encountered the following errors in their console view when interacting with Katana 3.1:

[ERROR python.Uncaught Exception]: Traceback (most recent call last):File "bin/python/UI4/Widgets/LookFileMaterialComboBox.py", line 105, in __on_lookFileMaterialFilterPopup_itemChosenAttributeError: 'LookFileMaterialComboBox' object has no attribute 'emit'

Steps to reproduce:

1. Open the example project "Look files and Look Dev - Overview".
2.  Write out look file using the node 'LooFileMaterialsOut_for_look_development'
3. Edit scene from node 'Material_from_look_file'.
4. Select any one of the entries in the 'materialPath' dropdown.

Expected behaviour:

No error should be seen in the console.

Actual behaviour:

The error is seen in the console.

Workaround:

No known workaround.

Tested versions/platforms:

• 3.0v4 - Unaffected
• 3.1b3 - Affected