[v1.8.5] AttributeError - OpenNumismat\TabView.py:302

OpenNumismat: 1.8.5
OS: Windows 10 (10.0.19601)
Python: 3.4.4 (32bit)
Qt: 5.5.1
Locale: en

Traceback (most recent call last):
File "OpenNumismat\TabView.py", line 44, in mouseDoubleClickEvent
File "OpenNumismat\TabView.py", line 203, in newList
File "OpenNumismat\TabView.py", line 302, in __createListPage
AttributeError: 'TabView' object has no attribute 'collection'