CI: manually upgrade typing-extensions

.github/workflows/tests.yml

@@ -61,6 +61,9 @@ jobs:
           curl -sSL https://install.python-poetry.org | POETRY_VERSION=1.5.1 python -
       - name: Install dependencies
         run: poetry install
+      # Our depdencies don't currently support Python 3.13+ unless this is done - see comments in pyproject.toml
+      - name: Python 3.13+ workaround
+        run: pip install typing-extensions --upgrade
       - name: Check for linting issues
         run: ./run.sh lint
       - name: Test with pytest

pyproject.toml

@@ -32,6 +32,11 @@ psycopg2-binary = "*"
 # 2.6 only supports Python 3.7+ and 2.5.1 uses older "decorator" lib
 networkx = "2.5"
 SQLAlchemy = "2.0.30"
+# typing-extensions is imported by SQLAlchemy (and most dev dependencies):
+# - Breaks on Python 3.13 if we don't use v4.12.0+
+#   See: https://github.com/python/typing_extensions/issues/405
+# - But v4.7.1 was the last version to support Python 3.7 (the rest are Python 3.8+)
+# typing-extensions = "4.12.*"
 # 4.1.0 and above only supports Python 3.8+
 platformdirs = "4.0.0"
 PyYAML = "6.0.1"