FIX: enhance get_instances #1084

Job	Run time
Build documentation	23s
Test dotnet	23s
Check the title of the pull request	4s
Documentation style check	18s
Build and Smoke tests (ubuntu-latest \| Python 3.8)	16s
Build and Smoke tests (ubuntu-latest \| Python 3.9)	19s
Build and Smoke tests (ubuntu-latest \| Python 3.10)	19s
Build and Smoke tests (ubuntu-latest \| Python 3.11)	19s
Build and Smoke tests (windows-latest \| Python 3.8)	16s
Build and Smoke tests (windows-latest \| Python 3.9)	15s
Build and Smoke tests (windows-latest \| Python 3.10)	16s
Build and Smoke tests (windows-latest \| Python 3.11)	16s
Package library	1s
Release project	1s
Upload dev documentation	1s
Testing PyAEDT main branch	1s
Deploy dev index docs	1s
Upload release documentation	1s
Deploy stable docs index	1s
	3m 31s

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