fix github workflow

.github/workflows/continuous_integration.yml

@@ -4,9 +4,9 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -25,20 +25,21 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
+      - name: Install Poetry
         run: |
-          conda install -c conda-forge pymc3
-          python -m pip install --upgrade pip
-          python -m pip install .[develop]
+          curl -sSL https://install.python-poetry.org | python3 -
+          export PATH="$HOME/.poetry/bin:$PATH"
+      - name: Install project dependencies with Poetry
+        run: |
+          poetry install
       - name: Style check
         run: |
           # stop the build if there are Python syntax errors or undefined names
-          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+          poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
           # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+          poetry run flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
           # run pre-commit hooks
-          pre-commit run --all-files
+          poetry run pre-commit run --all-files
       - name: Run tests
         run: |
-          cd tests
-          pytest -vv  -k 'not time and not update_parallel'
+          poetry run pytest -vv -k 'not time and not update_parallel'