Set up venv

.forgejo/workflows/build.yaml

@@ -44,10 +44,16 @@ jobs:
           python-version: "3.13"
           cache: pip
       - name: Set up the Python environment
-        run: pip install -r requirements.txt
+        # For most Python CI stuff this isn't needed, but maturin specifically doesn't like to function without a venv
+        run: |
+          python3 -m venv venv
+          source venv/bin/activate
+          pip install -r requirements.txt
       - name: Build Rust code
         run: maturin develop
       - name: Run Python tests
-        run: pytest tests/*.py
+        run: |
+          source venv/bin/activate
+          pytest tests/*.py
       - name: Run Rust tests
         run: cargo test