Issue observed in Workflow API Global DP & Vertical FL tutorials

[ishant162]

Describe the bug
Running Workflow interface Global DP tutorials leads to unexpected KeyError exception.
Similar issue is observed with Workflow interface Vertical_FL tutorial: Workflow_Interface_Vertical_FL.ipynb

To Reproduce
Steps to reproduce the error with Global DP tutorial:

1. Go to: openfl-tutorials/experimental/Global_DP/Workflow_Interface_Mnist_Implementation_1.py
2. Run tutorial with python Workflow_Interface_Mnist_Implementation_1.py --config_path test_config.yml
3. See error: KeyError: 'portland'

Expected behavior
Tutorial should run successfully without any error.

Desktop (please complete the following information):

• OS: Ubuntu (WSL)
• OS Version: 22.04.3 LTS
• Python: 3.8.19

KeyError_logs.txt