revert poetry

Author: JR-1991

.github/workflows/unit-tests.yaml

@@ -20,9 +20,9 @@ jobs:
       - name: Install dependencies
         run: |
           python3 -m pip install --upgrade pip
-          python3 -m pip install poetry
+          python3 -m pip install pytest-cov openpyxl pytest-httpx
+          pip3 install -e .
 
-          poetry install --with tests
       - name: Test with pytest
         run: |
           python3 -m pytest -v