Using poetry's preferred installation method to hopefully get around the SolverProblemError.

Author: RidleyLarsen

.github/workflows/pythonpackage.yml

@@ -20,7 +20,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install poetry==1.0.2
+        curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py
+        python get-poetry.py --version 1.0.2
         poetry install
     - name: Lint with flake8
       run: |

.github/workflows/release.yml

@@ -20,7 +20,8 @@ jobs:
     - name: Install Poetry
       run: |
         python -m pip install --upgrade pip
-        pip install poetry==1.0.2
+        curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py
+        python get-poetry.py --version 1.0.2
         poetry install
     - name: Poetry - Set Version & Build
       run: |