Fix auto sphinx docs generation (#69)

Author: BinamB

.github/workflows/docs.yml

@@ -22,16 +22,20 @@ jobs:
         key: ${{ runner.os }}-poetry-${{ hashFiles(format('{0}{1}', github.workspace, '/poetry.lock')) }}
         restore-keys: |
           ${{ runner.os }}-poetry-
-    - name: Install dependencies (allow "failures" and attempt to continue)
+    - name: Install dependencies
       run: |
         curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
-        $HOME/.poetry/bin/poetry install -vv || true
+        source $HOME/.poetry/env
+        poetry config virtualenvs.create false
+        poetry install -vv
         sudo apt-get install python3-sphinx
     - name: Build docs
       run: |
         sphinx-build --version
+        source $HOME/.poetry/env
+        export PYTHONPATH="${PYTHONPATH}:${{ env.pythonLocation }}/lib/python3.6/site-packages"
         cd docs
-        $HOME/.poetry/bin/poetry run make html
+        poetry run make html
         cd ..
 
     - uses: stefanzweifel/[email protected]