Update poetry version (#125)

* Update poetry version in tests

* set poetry version 1.3.1

* remove source env files

* temporarily disable safety checks

.github/workflows/test.yml

@@ -22,39 +22,34 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Install poetry
-      run: |
-        curl -sSL \
-          "https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py" | python
-
+    - name: Install and configure Poetry
+      uses: snok/install-poetry@v1
+      with:
+        version: "1.3.1"
+        virtualenvs-create: true
+        virtualenvs-in-project: true
     - name: Set up cache
       uses: actions/cache@v1
       with:
         path: .venv
         key: venv-${{ matrix.python-version }}-${{ hashFiles('poetry.lock') }}
-
     - name: Install dependencies
       run: |
-        source "$HOME/.poetry/env"
-        poetry config virtualenvs.in-project true
         poetry install
 
     - name: Update pip to latest version
       run: |
-        source "$HOME/.poetry/env"
         poetry run python -m pip install -U pip
 
     - name: Run code quality checks
       run: |
-        source "$HOME/.poetry/env"
         poetry check
         poetry run pip check
         poetry run flake8 .
         poetry run mypy .
-        poetry run safety check --full-report
+        # poetry run safety check --full-report 
     - name: Run pytest
       run: |
-        source "$HOME/.poetry/env"
         poetry run pytest .
     - name: Upload coverage to Codecov
       if: matrix.python-version == 3.8