test: Pin importlib-metadata for Python 3.9

Author: m1so

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ concurrency:
   cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 env:
-  POETRY_VERSION: "2.1.4"
+  POETRY_VERSION: "2.2.1"
   POETRY_VIRTUALENVS_CREATE: true
   POETRY_VIRTUALENVS_IN_PROJECT: true
   POETRY_INSTALLER_PARALLEL: true
@@ -171,6 +171,10 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
+    - name: Constrain importlib-metadata for Python 3.9  
+      if: matrix.python-version == '3.9'
+      run: pip install 'importlib-metadata<8.7'
+
     - name: Install Poetry
       uses: snok/install-poetry@76e04a911780d5b312d89783f7b1cd627778900a # v1
       with:

pyproject.toml

@@ -212,7 +212,7 @@ license-check = [
 ]
 
 [tool.poetry]
-requires-poetry = ">=2.1"
+requires-poetry = ">=2.2"
 packages = [
     {include = "deepnote_toolkit"},
     {include = "deepnote_core"},