Pin poetry < 1.1

Author: tony

.github/workflows/qencode-ci.yml

@@ -21,7 +21,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade poetry
+        python -m pip install --upgrade 'poetry<1.1'
         poetry install
     - name: Lint with flake8
       run: |