Migrate model/metadata loading from wandb to HuggingFace

.github/workflows/run-tests.yml

@@ -46,13 +46,12 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install tox coverage
+          pip install "tox<4.24" coverage
 
       - name: Run tests
         run: >-
-          pipx run --python '${{ steps.setup-python.outputs.python-path }}'
           tox
-          -- -rFEx --durations 10 --color yes --cov --cov-branch --cov-report=xml  # pytest args
+          -- -rFEx --durations 10 --color yes --cov --cov-branch --cov-report=xml
 
       - name: Check for codecov token availability
         id: codecov-check